Have you revived your old Quake 4 CD-key recently? Did you find it on the back of the manual? Let the community know in the comments below.
Steam-Issued Activation Keys - Steam Support Serial Code Quake 4 Cd-key
: If bought from a digital retailer, the code is sent via your emailed purchase receipt . Activation and Troubleshooting Steam Communityhttps://steamcommunity.com Cannot add old Quake 4 key on steam Have you revived your old Quake 4 CD-key recently