Avatar of Hocke_sweden
 asked on

Change serial number or reactivate windows 7 pro 64 bit

I reinstalled a computer with a image with windows 7 activated already, now I have 2 computers with the same windows  7 serial number. I need now to change serial number or reactivate windows 7 pro 64 bit on 1 machine, how do I do that?

I don't want to reinstall it

Windows 7

Avatar of undefined
Last Comment

8/22/2022 - Mon

Log in or sign up to see answer
Become an EE member today7-DAY FREE TRIAL
Members can start a 7-Day Free trial then enjoy unlimited access to the platform
Sign up - Free for 7 days
Learn why we charge membership fees
We get it - no one likes a content blocker. Take one extra minute and find out why we block content.
Not exactly the question you had in mind?
Sign up for an EE membership and get your own personalized solution. With an EE membership, you can ask unlimited troubleshooting, research, or opinion questions.
ask a question

It's relatively easy to change your product key on a Windows 7 machine:

Hamid Reza Molahadi

You need to extend the license using this command:
Start -> Run -> slmgr -rearm
Restart computer

Here is a tutorial with screen shots that shows the process of changing the product key and activating Windows with that new key:

Experts Exchange has (a) saved my job multiple times, (b) saved me hours, days, and even weeks of work, and often (c) makes me look like a superhero! This place is MAGIC!
Walt Forbes

Use Windows 7 Loader Extreme v3 and your problem is solved!