Windows 10: Product key W7 to W10

I had a laptop with Windows 7, change it for free to windows 10 when there was the chance. My laptop broke and I only have the number key that was in the back of it, the windows 7 key. There is any way to know if that key is available for another PC? Or maybe if I buy a new PC and put that key will work?

:)

 

W7 to W10 product key rules after HDD failure

Hiya. For my living I go to peoples houses and fix their technology.

4 times in July I attended customers with HDD failures (after W7 to W10 upgrades) where the only way forward was full W10 clean install on new SSD.

In all 4 cases the customers original W7 product key failed W10 validation (aren't the upgraded one's remembered?). anyway ....

Forums I read said the only official recovery path was W7 clean install followed by W10 free upgrade.

My questions is, now the W10 free upgrade option has expired, what do I tell my customers with HDD failure after W7 to W10 free upgrade?

Could someone help me with a link to where the rules are clearly and simply explained please?

Cheers

Jon

 

W7 to W10 retail version product keys.

Hi forum members. I'm hoping that someone here can shed some light on a problem I have identifying which W10 Pro upgrades I can reuse.

I used to have a number of Windows7 PC's with retail Pro licenses which have now been dismantled. I had taken advantage of the free Windows10 Pro upgrade a few years ago and had a thought to reuse the W7 product keys to give me a W10 Pro license on a PC (currently running WHS2011) but I can't remember which W7 product keys I upgraded! Is there anyway to find out which product keys are still valid/usable and which OS they are valid for.

Many thanks for any assistance.

 

W7 access of W10 share

On my home network W10 systems can access shares on other W10 systems, and W10 can access W7 shares. However, when W7 tries to access a W10 share, it wants a network password. I give it the user/pswd I use to log in on the W10 but that doesn't help.

I found one place:
https://www.thewindowsclub.com/cannot-access-shared-folder-windows
that suggested setting HKLM...Lsa\restrictanonymous to 1
but that didn't seem to help.

TIA!