Activation:

Download OOTP 20 for Windows, Linux or Mac here: https://www.ootpdevelopments.com/ootp-prior-version/

Download, install and start the game. Click on ""ENTER LICENSE KEY"" and copy/paste the serial number which you received during the purchase process. Please also save the serial number for later use.

Please remember that your license key can only be activated on a maximum of two computers at any one time. If you would like to manage your license key to deactivate an old computer, activate a new one or just look up the information, then please go to https://qlm1.net/ootpdevelopments/qlmcustomersite/