Now that Windows 7 is finally on the market, all computer users who have the RC version installed on their PC are eager to upgrade their operating system to the final version.

However, Microsoft Windows 7 Ultimate ISO continues to check whether the current version you are using on your PC is the original copy or a pre-release item. This will result in an error message preventing automatic upgrades. What to do now This article will help you do your job.

The article describes your problem and gives you detailed information on how to upgrade from Windows 7 RC to Windows 7 RTM (release version). Read on to find out more -

If you are using an ISO image for the installation process, extract the file to the disk using the 7-zip utility.

Those who try to do this with a real DVD can copy all the files from the DVD to a created folder on the hard drive.

After extracting these files, locate the cversion.ini file. This can be found on "Sources".

After opening the cversion.ini file, you will see that MinClient has a value up to 7233.0. Now you need to learn MinClient values ​​up to 7000.

This will walk you through configuring the.exe file and upgrading directly from the hard drive. Once the installation has started, click on "Install".

This will bring up an installation screen on your desktop. This screen displays two options, one is an upgrade and the other is a custom install. You should now choose to upgrade the existing installation.

Once the installation process is complete, you will see a compatibility report with a list of programs that cannot run on your new Windows 7 operating system. If it is not visible on the screen, you should be happy because your Windows 7 operating system is compatible with all programs.

This is an integrated process of upgrading from a preview version of the Windows 7 operating system to the final version. However, you should focus on the following important aspects:

Windows 7 RC versions were Ultimate Edition of the operating system. So if you want to upgrade your PC, you need to install the ultimate version of the final copy of Windows 7 operating system. 

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