Are you using a or a digital version of the game? Apache: Air Assault Activation - Gaijin Support
If you have a legitimate physical copy but the activation servers are dead, the most common fix in the community is to use a . checking activation code please wait apache air assault
The activation servers that verify your key may no longer be active. Are you using a or a digital version of the game
Getting stuck on the "Checking Activation Code, Please Wait..." screen in Apache: Air Assault is a common and incredibly frustrating issue for players trying to enjoy this 2010 flight simulator. This error typically occurs because the game’s original activation servers are either decommissioned or incompatible with modern operating systems. Getting stuck on the "Checking Activation Code, Please Wait
Only do this if you already own the game, and always scan any downloaded .exe files for malware. Troubleshooting Post-Activation
: If using a digital platform, use the "Verify Game Files" or "Repair" tool to fix potential corruption.