Monday, August 3, 2009

Windows 7 – Upgrade RC to RTM

Burn the ISO and then copy the image to a location you wish to run the upgrade from (a bootable flash drive, a directory on any partition on the machine running the pre-release build).

  1. Browse to the sources directory.
  2. Open the file cversion.ini in a text editor like Notepad.
  3. Modify the MinClient build number to a value lower than the down-level build. For example, change 7100 to 7000 (pictured below).
  4. Save the file in place with the same name.

Run setup like you would normally from this modified copy of the image and the version check will be bypassed.


  1. Hi Ran. Yes it did. To make it easier for you look at Steves blog: