Connect the two computers with an Ethernet cable. Use an Ethernet cable to connect your two computers to one another.

Open “Network and Sharing Center” on both computers. You’ll need to do this on both computers to ensure they are configured properly. Use the following steps to open the “Network & Sharing Center” on a Windows 10 computer:

• Click the Windows Start button.
• Click the Settings/Gear icon.
• Click the Network & Internet icon.
• Click Ethernet in the menu bar to the left.
• Click Network and Sharing Center below “Related Settings” on the right.

Click Ethernet on both computers. It’s below “Internet” on the right side. This displays your Ethernet status.

• If you don’t see “Ethernet” on the right side, click Change adapters settings on the left and right-click the connected “Ethernet” connection. Then click Properties.

Click Properties on both computers. It’s the first button at the bottom of the Status window.

Select “Internet Protocol version 4 (TCP/IPv4)” and click Properties. This displays the internet protocol properties. Do this for both computers.

Select the radio option next to “Use the following IP addresses.” This allows you to manually input a unique IP address for both computers.

Input a unique IP address for both computers and click Ok. You can leave the subnet mask as “255.255.255.0” for both computers. Enter the following IP addresses on each computer:^[2]

Enable Local Security Policy editor (Windows 10 Home Edition only). You’ll need to edit the privacy settings for your Ethernet connection. If you are using Windows 10 Pro or Enterprise Edition, you can skip this step. However, if you are using Windows 10 Home Edition, you will need to download a batch file is used to enable Local Security Policy editor.^[3]

Open the Local Security Policy editor. In order to be able to share files between the two computers, the ethernet connection must be set to “Private.” This needs to be done on both computers. Use the following steps to open the Local Security Policy editor.

• Click the Windows search bar in the taskbar at the bottom.
• Type secpol.msc.
• Click the “secpol.msc” file.

Click Network List Manager Policies. It’s the fourth option in the Local Group Policy editor. It’s the option that doesn’t have any sub-folders. Do this on both computers.

Double-click Unidentified Networks. This displays the properties window for your unidentified networks.

Select “Private” and click Apply followed by Ok. This sets your unidentified networks to Private. The Ethernet connection should now read as “Private” in the “Network and Sharing Center.” Again, this needs to be done on both computers.

Share a folder with the other computer. In order for the other computer to be able to access your files, you need to share them. Use the following steps to share a folder:

• Press Windows Key + E to open File Explorer.
• Right-click a file or folder you want to share.
• Click Properties.
• Click the Sharing tab at the top.
• Click Share.
• Select Everyone in the drop-down menu and click Add.
• Set the permission level to “Read/Write” (or just “Read” if you don’t want the other computer to be able to modify the files).
• Click Share.

Access shared files from another computer. In order to access shared files on another computer, you will need to know the login username and password for the other computer. Use the following steps to access shared files from another computer:

• Press Windows key + E to open File Explorer.
• Click Network in the panel to the left.
• Click the computer you want to access. If you don’t see the computer listed, type \[computer-name] in the address bar at the top.
• Enter an username and password and click Ok.
• Click the user whose file you want to access.
• Open the folder with the files you want to access.

Connect both computers to the same wireless network. In order to be able to share files over Wi-Fi, both computers must be connected to the same wireless network. You can share files using both Mac and Windows computers.

Open the Apple menu

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. Click the Apple logo in the top-left corner of the screen. A drop-down menu will appear.

Click System Preferences…. You’ll find this option in the drop-down menu. Doing so opens the System Preferences window.

Click Sharing. It’s in the System Preferences window. A new window will open.

Click File Sharing and ensure the checkbox next to it is checked. Ensure the checkbox next to “File Sharing” in the menu to the left is checked. This enables Files Sharing. Then click File Sharing in the menu to display the File Sharing menu.

Click + below “Shared Folders.” This opens a Finder window that allows you to select a folder you want to share.

Select a folder you want to share and click Add. Use the Finder window to navigate to a folder you want to share. Click it to select it. Then click Add in the lower-right corner.

Set the folder permissions as desired. To set the folder permissions click the user you want to access the folder (or click everyone). Then use the drop-down menu to select “read/write” or “read only”. Read/write allows other users to access and modify the files in the folder. Read only only allows users to view the files but not modify them.

Access shared folders. You’ll need to know the name of the computer you want to access and the username and password if they have password protection turned. You can do this with both Windows and Mac computers. You’ll also need to know the name of the computer you want to access. Use the following steps to access a shared folder via Wi-Fi on a Mac:

• Open the Finder.
• Click Go in the menu bar at the top.
• Click Connect to Server at the bottom of the drop-down menu.
• Click Browse and select the computer you want to access. If you don’t see the computer you want to access, enter smb://[computer-name]/ below “Server address” and click Ok.
• Enter the username and password and click Ok.
• Click the folder you want to access and click Ok.

Connect the two computers. Use an Ethernet cable to connect your two Mac computers to one another.

• Unless one or both of the Macs are iMacs (desktop computers), you’ll need two Ethernet to USB-C adapters to plug into your Macs’ Thunderbolt 3 ports before you can connect them via Ethernet. The Thunderbolt port is a small pill-shaped port that has an icon that resembles a lightning bolt.
• If there is no ethernet port on the computer you want to connect, you may need to use an ethernet-to-USB adapter.

Click Go on both computers. Clicking it prompts a drop-down menu.

• If you don’t see Go, click the desktop to force it to appear.
• Make sure that you’re doing this on the Mac from which you want to transfer files.

Click Connect to Server. You’ll find this option near the bottom of the drop-down menu.

Click Browse. It’s near the bottom of the Connect to Server window. A pop-up window with nearby computers will appear.

• If you aren’t able to find the other computer through “Browse,” enter smb://[computer-name] below “Server address” to connect to it manually.

Double-click the second Mac’s name. You’ll find this in the pop-up window.

Enter the second computer’s password when prompted. This will allow you to connect to the second computer.

Click Connect. It’s in the lower-right side of the pop-up window.

Open

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Finder. Click the Finder app icon, which resembles a blue face in your Mac’s Dock.

Select the computer you want to access. It should be listed in the side panel to the left in the Finder under “Shared.”

Select the files you want to move and press ⌘ Command+C. This copies the files you selected from the other Mac.

Navigate to where you want to save the files and press ⌘ Command+V. This pastes the files on the current Mac.

Connect the two computers. Use an Ethernet cable to connect your two computers to one another.

• You’ll need an Ethernet to USB-C adapter to plug into your Mac’s Thunderbolt 3 port before you can attach an Ethernet cable to the Mac. The Thunderbolt port is a small pill-shaped port that has an icon that resembles a lightning bolt.
• If there is no ethernet port on the computer you want to connect, you may need to use an ethernet-to-USB adapter.

Enable file sharing on the Windows computer. Use the following steps to enable File Sharing on Windows:

• Click the Windows Start menu.
• Click the Gear/Settings icon.
• Click Network & Internet.
• Click Ethernet in the menu on the left.
• Click Network and Sharing Center below “Related Settings” on the right.
• Click Change advanced sharing settings.
• Click Turn on network discovery. for both private and public networks.
• Click Turn on file and printer sharing for both private and public networks.
• Click Save changes.

Share a folder. Use the following steps to share a folder on Windows:

• Press Windows Key + E to open File Explorer.
• Right-click a folder you want to share and click Properties.
• Click the Share tab.
• Click Share.
• Select Everyone from the drop-down menu and click Add.
• Select Read/Write as the permission level.
• Click Share.

Enable file sharing on the Mac computer. Use the following steps to enable File Sharing on a Mac:

• Open the Apple menu
• Click System Preferences…
• Click Sharing
• Check the “File Sharing” box.
• Change the “Everyone” permissions from “Read Only” to “Read & Write”.

Share a folder from your Mac. Click the ＋ icon below the list of shared folders, then double-click the folder that you want to share.

• You may have to click Add to add the folder to the list of shared folders.

Access the Mac’s files from the Windows computer. You can do this from within the File Explorer:

• Open Start.
• Click File Explorer.
• Click the Mac’s name below the Network heading on the left side of the File Explorer.
• Open the shared folder.
• Select the files that you want to save, then press Ctrl+C
• Go to a folder on your computer and then press Ctrl+V.

Access the Windows computer’s files from the Mac. You can do this from within the Finder using the following steps:

• Open the Finder.
• Click your Windows computer’s name in the lower-left side of the window.
• Open the shared folder.
• Select the files that you want to save, then press ⌘ Command+C
• Go to a folder on your Mac and then press ⌘ Command+V.

Purchase a USB-to-USB data transfer cable. USB-to-USB data transfer cables have a USB-A connector on both ends. They allow you to transfer data between two computers. To do this, you will need special data transfer software. This may come with the USB-to-USB data transfer cable, or it can be purchased or downloaded online.

• Check to make sure the software you are using to transfer files is compatible with your operating system. Especially if you are using a Mac computer or an older operating system.^[4]
• You will need to use the same data transfer software on both computers.

Install the data transfer software on both computers. If the data transfer cable you purchased came with a CD or DVD, you can use that to install the data transfer software on both computers. If it did not come with a CD or DVD, or your computer(s) don’t have an optical disk drive, consult the user’s manual that came with the data transfer cable for instructions on how to download the software online.

Connect the USB-to-USB data transfer cable to both computers. Plug one end of the USB cable to a free USB port on one computer. Then connect the other end of the USB cable to a free USB port on the second computer.

Start the data transfer software on both computers. Click the icon for your data transfer software on both computers to launch it. It may be on your desktop, Windows Start menu, or Applications folder on Mac.

Select the option to transfer files. Each file transfer program may be a little different. Some may have the option to sync all files between both computers so that both computers have the same files. There may also be an option to transfer everything from one computer to another. Select the option that allows you to choose which files you want to transfer. This may be a drag-and-drop option or an option to allows you to click the files you want to transfer in File Explorer or the Finder.

Select the files you want to transfer. Either navigate to and click the files you want to transfer to select them, or use the drag-and-drop interface to click and drag the files you want to transfer into the data transfer software.

Transfer the files you select. After selecting the files you want to transfer, click Ok, Send, Transfer or similar to send the files to the other computer.^[5]

Connect the two computers with an Ethernet cable. Use an Ethernet cable to connect your two computers to one another.

• You’ll need an Ethernet to USB-C adapter to plug into your Mac’s Thunderbolt 3 port before you can attach an Ethernet cable to a Mac. The Thunderbolt 3 port is a small, pill-shaped port that has a lightning bolt icon above it. On Macbooks, it is generally found on the side. On iMacs, it is generally found on the back.
• If your computer does not have an ethernet port, you may need to get an ethernet-to-USB adapter for your computer.

Click the Windows Start

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button on the host computer. The host computer is the computer that is sharing internet access to another computer. This computer should be connected to the internet via Wi-Fi or another Ethernet connection. Click the Windows logo in the bottom-left corner of the screen.

Open the “Network Connections” window. Use the following steps to open the “Network Connections” window on the host computer:

• Click the Windows Start button.
• Type “Network Connections.”
• Click View Network Connections.

Right-click the internet connection you are connected to and click Properties. Doing so prompts a drop-down menu to appear. Click Properties at the bottom of that menu.

Click the Sharing tab. This allows you to set your sharing options for your computer.

Click the checkbox next to allow internet sharing. It’s the checkbox next to “Allow other network users to connect through this computer’s internet connection.” It’s the first option at the top of the window.

Select the method you are using to share your internet connection. Use the drop-down menu below “Home network connection:” to select how you will be sharing your internet. If you are using an ethernet cable, you will need to select “Ethernet.”

Click Ok followed by Yes. This saves your internet sharing settings.

Right-click “Ethernet” and click Properties. This displays the Properties menu for the Ethernet connection.

Select “Internet Protocol version 4 (TCP/IPv4)” and click Properties. This displays the internet protocol properties.

Select the radio option next to “Use the following IP addresses.” This allows you to manually assign an IP address for the host computer.

Change the IP address to 192.168.0.1 and click Ok. Enter the IP address in the spaces next to “IP Address.” You can leave the Subnet Mask as “255.255.255.0.” Click Ok when you are finished. This is all you need to configure on the computer that is hosting an internet connection.^[6]

Open “Network Connections” on the other computer. Now jump on the computer that is receiving an internet connection (the client computer) and use the following steps to open the “Network Connections”.

• Click the Windows Start menu.
• Type “Network Connections.”
• Click View Network Connections.

Right-click “Ethernet” and click Properties. This displays the Properties menu for the Ethernet connection.

Select “Internet Protocol version 4 (TCP/IPv4)” and click Properties. This displays the internet protocol properties.

Select the radio option next to “Use the following IP addresses” and “Use the following DNS server address.” This allows you to manually assign an IP address for the client computer as well as enter the IP address for the host computer.

Assign the following IP information to the client computer and click Ok. You can leave the Subnet mask as it is, but the IP address must be unique from the host computer. You also need to include the host computer’s IP address as the default gateway and DNS server. This allows the client computer to access the internet through the host computer’s internet access. Assign the following information to the second computer:

• IP address: 192.168.0.2
• Subnet Mask: 255.255.255.0
• Default Gateway: 192.168.0.1
• Preferred DNS server: 192.168.0.1

Connect the two computers with an Ethernet cable. Use an Ethernet cable to connect your two Mac computers to one another.

• If connecting a Mac to another Mac, you’ll need two Ethernet to USB-C adapters to plug into your Macs’ Thunderbolt 3 ports before you can connect them via Ethernet. The Thunderbolt port is a small pill-shaped port with a lightning bolt icon above it.
• If you cannot connect an ethernet cable to one of the computers, you may need an ethernet-to-USB adapter.

Open the Apple menu

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on the host computer. The host computer is the computer that is sharing it’s internet connection with another computer. The host computer should be connected to the internet either via Wi-Fi or another ethernet connection. Click the Apple logo in the top-left corner of the screen. A drop-down menu will appear.

Click System Preferences…. You’ll find this option in the drop-down menu. Doing so opens the System Preferences window.

Click Sharing. It’s in the System Preferences window. A new window will open.

Check the “Internet Sharing” option. This option is in the list on the left side.

Click the “Share your connection from” drop-down box. It’s in the middle of the window. A drop-down menu will appear.

Click Wi-Fi. This option is in the drop-down menu.

• If your computer is connected to the internet through a connection other than Wi-Fi, be sure to select the connection type you are using to access the internet instead.