If you need AirServer on multiple PCs, buy and use the official deactivation tool to move it between your machines as needed. Keep the installer and your AirServer activation code on a secure USB drive for easy access.
If you installed via the Windows AppInstaller, you can activate it by running this command in a PowerShell window: start airserver://activate?key=ActivationCode . Troubleshooting Common Activation Issues airserver activation code pc portable
Once activated, the "Trial Expired" message vanishes, and all features unlock. If you need AirServer on multiple PCs, buy