Fix Windows 10 Activation Error 0xC004C008

How to Fix Error code 0xC004C008 "We can't activate Windows on this device because the product key was already used on another device. Fix Windows 10 activation error 0xC004C008.

[carlosayala]

I thought I got scammed but no once it ask to to send message say yes and you are set

[prguy]

Thank you very much! It worked. Had to use the phone method and only took about 10 minutes. The customer service was good and got right to the point.

[atiteotingtak]

i can't activate code with win10 pro

[DanTheJMan]

Ummm I use boot camp and got it so do I press 1 or 2 for the calling thing

[webpro]

Activation by phone is not available in Windows 10 pro

[ravimaran]

Asus x43b I got a plomber error code oxc004f213

[brickandmortar]

This seems to only happen on used PC's, but thanks, the second step worked for me

[imgonnasaymanybadwords]

i did this yet it still said the product key was already being used. did i get scammed?

[jupjup]

Thanks boss i was really pulling my hair with this shit.

[santiagourbina]

I had the same problem but it solved itself without doing anything at first I thought they had scammed me with the key that I bought but after a week it worked alone

[Cstarulz]

Thanks for your help, I appreciate you! I wasn't able to activate through the first option due to an error but was able to sort it out with the phone method

[cbr]

Thank you, the phone call method helped me on windows 11.

[XDrThraX]

Thank you man,

You're a genius 🤟

[Kirbyabc]

thanks much! thought I got a bogus key but the phone activation worked! thanks much!

[sammycarter]

Thanks man, phone option worked. follow the steps, it's annoying but it works.

[michaelz]

Just did this and it worked. Thank you so much.

[レイジーレーザー]

Wow! It actually worked! Thats a lot! :D

[wolfboy]

thank you so much it helped me alot :D