Regarding activation, Windows 7, like other Windows versions, requires activation to access all features and to reduce the risk of using counterfeit software. Activation helps verify that your copy of Windows is genuine and has been purchased.
Ensure the version is compatible with your hardware. Also, consider that highly modified versions might not receive official support or updates from Microsoft. like other Windows versions
If possible, consider purchasing Windows 7 from Microsoft or a legitimate retailer to ensure you receive a genuine product with ongoing support and updates. like other Windows versions