Posted: Thu Aug 06, 2015 11:55 pm
I bought prison archtect alpha35 from introversion direct can i add it to steam for updates?
The Introversion Forums
Activating a Product on Steam
How do I register a CD Key to activate a product on Steam?
Please follow these instructions to activate a new retail purchase on Steam:
Launch the Steam client software and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process.