According to the official post by Microsoft “HomeGroup has been removed from Windows 10 (Version 1803). However, even though it has been removed, you can still share printers and files by using features that are built into Windows 10.”
But wait, there’s more!! It doesn’t appear to be so rosy as mentioned by Microsoft. Windows 10 has issues with showing certain computers over the Windows Network, leaving them invisible in the Network folder of File Explorer.
One of the fixes may be found in the following article, but if you read the replies, you will notice that not all have been delivered from this mess:
Another thing I found is that if you have been accessing mapped network drives and cannot reconnect, even after clicking the “remember by credentials” check box, get to the Credential Manager and respecify the correct path. This saves it for good!