If you're having trouble finding a product key or want to avoid using one:
GitHub activation scripts typically alter your system configuration to point away from Microsoft's official servers and toward a public, community-hosted KMS emulator server. Once connected, the server tells your local machine that the generic key is valid, temporarily removing the "Activate Windows" watermark for 180 days. Are GitHub Activation Scripts Safe? windows 8.1 product key github
Unique, paid keys that activate your license. If you're having trouble finding a product key