I won’t be held liable for any lost steam games or accounts using this method. This method takes more work and isn’t 100% accurate. You should have all your games back and didn’t have to redownload them all. This may take awhile if you have many games. Steam will then backup all the games to a HDD. Which you can use later if you’re upgrading your OS.Ĥ. Select a location, this should be an external HDD. Choose your games to backup from the list.ģ. Select backup from Account -> Backup Restore Games.Ģ. This feature seems to be hidden and i never knew about it after installing all my games on my clean HDD.ġ. The restore/backup feature is in the account tab on the top bar. I found out the hard way and ended up having to redownload all my games. Maybe you just upgraded to mountain lion and want to copy all your games across so you don’t have to redownload everything. Moving all your steam games to your HDD can often take awhile.