Why can't I play my friends games on Steam?
Check Steam Family Sharing settings: Make sure that both accounts have enabled Family Sharing and that the shared library is visible to the other account. To check this, go to Steam > Settings > Family and ensure that both accounts are authorized for sharing and that the library is shared.
Why is Steam gameshare not working?
The authorization issue for the sharing of games or files is one of the reasons for Steam Family Sharing not working. You cannot share your game with other family members if the access is not authorized. So, the first thing you can do to fix the issue is to re-authorize shared Steam Library.
Can you play borrowed games together on Steam?
If 2 people are using the same steam account, no. A single steam player can only play one steam game at a time. If 2 people are using their own account, thus 2 different accounts, then yes. Each owns their own copy of the game.
Why wont it let me play a game on Steam?
If a game won't launch, this is often caused by corruption in your extracted game files. Please see our Verify Integrity of Game Files article for instructions on verifying the integrity of your game files. Games may not launch if you're running software which interferes with Steam.
How do I access shared games on Steam?
Can you get banned for Steam sharing?
Why is shared library locked on Steam?
How do I fix Steam game errors?