Is there a chance my Windows 10 Pro key is used by others?

[Filingo]

I've got an old PC case with Windows 10 Pro sticker from where I work.

I then activated it on an empty SSD I found and it worked.

 

Now is there a chance it's being used on other computers (For example, the original SSD it was installed on?)

 

Also I made an offline installation and not using a Microsoft account. So could "tying" it with an online account instead make sure it's only mine? Or that's only for future installations, but not past, so there is no way to see if someone else is using this key?

 

Thanks

[SimplyChunk]

the sticker will be for an 'OEM' licence of windows 10.  Now as far as I know they can't be transfered from one computer to the next.  even if you use a different SSD.  What i've seen in practice is as long as you have a few windows 10 keys (OEM or Retail) tied to your MS account you won't have any issues regarding licences or activation no matter what PC you're using

[LogicalDrm]

Since its from sticker, its unlikely its used anywhere else.

[Filingo]

31 minutes ago, LogicalDrm said:

Since its from sticker, its unlikely its used anywhere else.

might have moved the PC that was inside the case to another case?

[LogicalDrm]

5 minutes ago, Filingo said:

might have moved the PC that was inside the case to another case?

In that case, they would have written key to paper and scratched it off. Anyway, highly unlikely.