7 Sp1 — Buy Windows

: Buying a used PC that still has its Certificate of Authenticity (COA) sticker attached is a 100% legal way to obtain a license for that specific machine. Critical Safety & Setup Tips Updating to Windows 7 SP1 - PC Matic Home Support

: As of late April 2026, you can find Windows 7 Professional SP1 for approximately $25 to $43 on eBay and Mercari . buy windows 7 sp1

Microsoft officially ended sales of Windows 7 in 2013 and all extended security support in early 2023. Because of its "end-of-life" status, you cannot buy it directly from Microsoft anymore. However, you can still find legitimate "new old stock" or used licenses from third-party sellers. : Buying a used PC that still has

: You can find "System Builder" OEM DVDs or sealed Retail boxes. Because of its "end-of-life" status, you cannot buy

To ensure you get a valid license that will activate, prioritize these sources:

: These are often cheaper but are strictly tied to the first motherboard they are activated on.