: Unlike "loaders" that emulate a BIOS to trick Windows into activating, Remove WAT physically removes or blocks the components of the activation system.

Select Start > Settings > Update & Security > Activation , and then select Troubleshoot to run the Activation troubleshooter. Microsoft Support How to activate windows 7 - Microsoft Q&A

You can still buy OEM keys for Windows 7 Pro on Amazon or Newegg for $30-$50. Enter the key in System Properties → Change product key. It will activate online.

Before proceeding, it's essential to understand that bypassing or disabling Windows activation may violate Microsoft's terms of service. Additionally, such actions can potentially leave your system vulnerable to security risks if not done correctly.

: It supports all versions of Windows 7 (Home, Professional, Ultimate, Enterprise) and Windows Server 2008 R2 on both 32-bit and 64-bit architectures. Genuine Status