i have an active windos 10 pro key installed on my device. now I have upgraded it to windos 11 pro by boot usb. now my windos key didn't work. it show

  • Thread starter Thread starter SAINUR AL MAMON
  • Start date Start date
S

SAINUR AL MAMON

Guest
the complete error message is " We can't activate Windows on this device because the product key was already used on another device. If you think it wasn't used on another device, please select Troubleshoot below. Error Code: 0xC004C008. I have my windows 10 installed on my Internal Hardisk and I installed 11 on my newly attached SSD. then I delet my windos 10 manually.

Continue reading...
 
You must log in or register to reply here.

Similar threads

𝔗
Can't Activate my Windows 10 Copy !!!! any help please?
Replies
0
Views
6
𝔗𝔞𝔪𝔢𝔯 𝔖𝔞𝔩𝔢𝔪
𝔗
M
Upgraded My pc and now I can't use my product key(My old pc is unusable right now)
Replies
0
Views
6
Mohamed Hossam2
M
M
Upgraded My pc and now I can't use my product key(My old pc is unusable right now)
Replies
0
Views
5
Mohamed Hossam2
M
D
Did a fresh install of windows and now it is saying product key was already used on another device
Replies
0
Views
6
Durwesh Nusrat Naeem
D
D
Did a fresh install of windows and now it is saying product key was already used on another device
Replies
0
Views
5
Durwesh Nusrat Naeem
D
Back
Top