Recover a key from a backup

I have run sfc, DISM and still files were not being fixed so I downloaded a windows 7 iso, created a usb of win7 and ran the upgrade thinking that would fix the files in a jiffy. Well that worked perfectly little did I know that it would wipe the key and prompt me. The bottom of this laptop has seen better days so the sticker is marred. Attempted to clean but that's not helping. The only option left is a backup I have. Is there a way to get the key from the backup? I also ran restore the backup but that did not put the files with the key.

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Try this one.
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Re: backup

- What backup (how did you make it) and what files does it contain? You say they don't contain the key. If that's true, it's useless for this purpose.
- How do you mean "upgrade"?
- See if you can order recovery media from the maker (if you forgot to make them when you received the laptop).

- Tip 1: once it's fixed download Belarc Advisor, run it, and backup its output. It contains the key.
- Tip 2: install Windows 10 in stead of Windows 7. It allows you to forget the key because Microsoft saves it on its servers together with the hardware info.
- Tip 3: Make a ''Windows recovery drive' (google that if necessary)
- Tip 4: After reinstalling the OS from a standard iso, be sure to download and install all necessary drivers from the makers site.

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