Free Games
Free Game Notifications
Get native Windows notifications when free Steam games are available to add to your account
SGI will exclude games that you already own, but you will need to make sure your games list data is up to date by clicking the button in
Auto Redeem Free Games
Automatically redeem free Steam games to your account when they become available
This feature requires you to sign in to your account with the Automated Method and remain signed in for this feature to work
It is recommended to turn off Free Game Notifications if you enable this feature, as you will not need to manually claim free games anymore
Also check What Counts as a Free Game?