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Windows 7 shows watermark "Evaluation copy.Build 7601"

Installation of Windows 7, SP1 release candidate turns the copy of windows in to evaluation version and turn on the time bomb which could lock your windows after few months. This is because SP1 RC is only for evaluation.

If you have already installed Windows 7 SP1 RC and wants to get rid of this issue, uninstall SP1 RC. A reboot will be required after unsintallation of SP1.

The easiest way to uninstall SP1 is using Programs and Features.
  • Click the Start button , click Control Panel, click Programs, and then click Programs and Features.
  • Click View installed updates.
  • Click Service Pack for Microsoft Windows (KB 976932), and then click Uninstall.
If you don't see Service Pack for Microsoft Windows (KB 976932) in the list of installed updates, your computer likely came with SP1 already installed, and you can't uninstall the service pack. If the service pack is listed but grayed out, you can't uninstall the service pack.


Uninstalling SP1 using the Command Prompt
  • Click the Start button , and then, in the search box, type Command Prompt.
  • In the list of results, right-click Command Prompt, and then click Run as administrator.
  • If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
  • Type the following: wusa.exe /uninstall /kb:976932
  • Press the Enter key.
You can download the final version of Windows 7 SP1 from here. It is also available through windows update.

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