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

N
i cant activate my window 10 pro with the product key
Replies
0
Views
6
Nasin Jaima
N
A
when i tried to install windows 11 pro into my windows 11 home, it get failed and i lost my activated widows11 home and get windows 11 Enterprise (not
Replies
0
Views
5
AIDA 980
A
𝔗
Can't Activate my Windows 10 Copy !!!! any help please?
Replies
0
Views
7
𝔗𝔞𝔪𝔢𝔯 𝔖𝔞𝔩𝔢𝔪
𝔗
J
I linked my windows key to my microsoft account, now my PC says I have to activate windows...what now?
Replies
0
Views
4
Jish frd
J
M
Upgraded My pc and now I can't use my product key(My old pc is unusable right now)
Replies
0
Views
7
Mohamed Hossam2
M
Back
Top