You can purchase a license directly from extremegammon.com for $59.95 .
Once you receive your key via email, follow these steps to activate your software: Launch eXtreme Gammon 2 on your computer. Extreme Gammon Activation Key
If you get a new computer, you can transfer your license. Open the Activation Manager under the registration window, enter your key, and select "Get Status." From there, you can deactivate the old machine and activate the new one. Troubleshooting Activation Issues Thanks for your purchase - eXtreme Gammon You can purchase a license directly from extremegammon
If you want to use XG on a second machine (e.g., a laptop and a desktop), you can purchase additional activations at a discounted price of $30.00 each . Open the Activation Manager under the registration window,
Once authorized, the software is fully unlocked. You do not need a constant internet connection to use it afterward. Managing Multiple Computers
You can also buy through trusted backgammon vendors like GammonVillage .
The only secure way to obtain a legitimate activation key is through the official channels. Avoid "crack" sites or key generators, as these often contain malware and won't work with XG's server-side authentication.