Hello,
Make sure you've SMBv1 protocol enabled:
https://www.kapilarya.com/how-to-enable-or-disa...
If you're looking for HomeGroup, it is no longer available now because network sharing is changed on Windows now and HomeGroup is removed on V1803 or later.
Here are the alternatives atm:
https://www.kapilarya.com/homegroup-alternative...
Hope this helps!
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.