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certificate of authenticity
About this tag
The certificate of authenticity (COA) is a Microsoft label that includes a product key for Windows. On WindowsForum.com, users discuss finding the COA product key when it is missing from a laptop's sticker or box, especially after reinstalling an operating system. Common scenarios include locating the key for Windows 8 on a pre-installed laptop or using the COA key from a sticker to activate Windows 7 or upgrade to Windows 8. The tag covers troubleshooting activation issues related to lost or misplaced certificates of authenticity, particularly for OEM systems.
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Windows 8 Windows 8 Product key - where to find it?
Hello, few months ago I bought a new laptop with Windows 8 pre-installed. After some time, I installed W7 again and now I want to go back to W8. But unfortunately, I found out that my laptop has no product key sticker on it, I can't even find any certificate in the box that my laptop came in. Is...- Veronika0x96
- Thread
- certificate of authenticity installation issues laptop support license recovery os transition pre-installed os product key system restore windows 7 windows 8
- Replies: 20
- Forum: Windows Help and Support
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Windows 8 Cant activate win 8 on HP Pavilion dv6-6047cl
two weeks ago I had a hard drive failure on the stated laptop. I installed an OCZ ssd and reinstalled windows 7 from a retail family pack. I used the Certificate of Authenticity (COA) windows key from the sticker on the HP laptop. This activated no problem. I purchased this laptop new at SAMS...- dsdallago
- Thread
- activation certificate of authenticity error hard drive hp pavilion ssd upgrade validation windows 7 windows 8
- Replies: 5
- Forum: Windows Help and Support