Product Key Limits

The download information in Windows Key City are officially released from Microsoft. Each product key can be used on one computer only. Repeated activation can be detected and blocked by Microsoft, meanwhile re-install on the same computer won't be a problem.

Support and Warranty

We're experienced at operating system and office application software, and could provide instructions on various issues. We offer full refund for all product keys and download service to make your purchase 0 risk. Any questions please contact us.