Note: Using this method, Vista can be activated till June 2007.

1. Install Vista - WHen prompted for the Registration key, leave it blank.

Choose Vista Ultimate

2. After you have installed Vista, obtain the following two files from a Pre RTM Build:

A) pkeyconfig.xrm-ms

B) tokens.dat

3. Using MS File Explorer, navigate to c:\Windows\System32\Licensing\pkeyconfig

Right click on pkeyconfig.xrm-ms (may not show .xrm-ms if you left view as default to hide

known OS extensions)

4. Click on Properties, Security, Advanced, - Then click on the Owner Tab, then click

on Edit, press Administrator, then click OK, and close the properties.

5. Right click on pkeyconfig.xrm-ms again, and this time click on security, advanced,

edit, Select Administrators, then click on “full control”. Save/Close the properties.

6. Click start, then in the search bar, type services.msc - look for a service called Software Licensing, press

the square on the title bar to stop this service (keep this screen open though)

7. Go back to file explorer, and copy the cracked version of pkeyconfig.xrm-ms into the

c:\Windows\System32\Licensing\pkeyconfig folder.

8. Navigate then to c:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\SoftwareLicensing

You will be prompted along the way to supply admin rights to access this protected area.

9. Copy the cracked version of tokens.dat in this folder, you will be prompted for admin rights again.

10. Go back to the services.msc and press the triangle to start the Software Licensing services.

11. Goto the control panel, and click on System and Maintenace, then system, then in the upper right hand

corner, click on the Show more details, scroll to the bottom and change your registration key to your

RC1/RC2/Beta Key - and then activate Windows.

12. You are now done - have a nice day.