Posted August 8, 2009 – 2:45 pm in: Windows 7 Guides
With the release of Windows 7 RTM to TechNet and MSDN subscribers Windows has reached a major milestone as most of the XP, Vista, and Windows 7 RC users are moving to the finest OS ever.
If you have been running Windows 7 RC, then you might want to upgrade from Windows 7 RC to Windows 7 RTM. Although Windows 7 RC to Windows 7 RTM in-place upgrade is not supported officially, you can upgrade from Windows 7 RC to RTM with a simple trick.
If you are a XP or Vista user, you might find the following articles as useful:
How to upgrade XP to Windows 7
How to upgrade Vista to Windows 7
Here is how to upgrade from Windows 7 RC to Windows 7 RTM:
1. Extract Windows 7 RTM DVD or ISO file contents to a folder, and navigate to the following directory:
Windows 7 RTM extracted folder/sources
To extract Windows 7 files from ISO, use zip utilities like 7Zip or Winzip or WinRAR.
2. Under Sources directory, locate the file named “cversion.ini”. Open the file "cversion.ini" with notepad.
3. Modify the MinClient value from 7233 to 7000. You can enter any number less than 7233.
4. Save the "cversion.ini" file. Use any software to create ISO file. You can directly start upgrading from RC to RTM build by running setup.exe file in the root of the folder.
5. Start upgrading from Windows 7 RC to Windows 7 RTM.
Note that it’s always better to do a clean Windows 7 RTM to get better performance results.Tags:
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