How to Add a Mac to a Homegroup

I'm sorry, but Homegroup is a feature that was used in previous versions of Windows (Windows 7 and Windows 8). As of Windows 10 version 1803 (April 2018 Update), Microsoft has removed Homegroup from Windows. So, it is not possible to add a Mac to a Homegroup anymore.

However, if you are trying to share files between a Mac and a Windows PC on the same network, there are other ways to do this. One way is to use the file sharing feature built into macOS. Here's how to set it up:

1. On your Mac, go to System Preferences and click on Sharing. 2. Check the box next to File Sharing. 3. Click the Options button. 4. Check the box next to "Share files and folders using SMB". 5. Check the box next to your user account name to allow file sharing for that account. 6. If you want to set permissions for specific folders, click the "+" button to add a folder and then click on the "Add Users and Groups" button to set permissions. 7. Click Done to save your changes.

On your Windows PC, you can then access the shared folders on your Mac by opening File Explorer and clicking on Network. Your Mac should appear as a device in the network list. Double-click on the Mac to see the shared folders and files.

Alternatively, you can also use third-party software such as Dropbox or Google Drive to share files between your Mac and Windows PC.