as an extended member of the development team and a participant in the Beta program that has helped us so much, we want to ask that you experience real-world setup and provide us real-world telemetry. 'Before you go jump to the comment section, we want to say we are going to provide a mechanism for you to use if you absolutely require this upgrade. 'The supported upgrade scenario is from Windows Vista to Windows 7,' continues the post. During development we introduce changes in the product (under the hood) that aren't always compatible with what we call 'build-to-build' upgrade,' the post says. 'The reality is that upgrading from one pre-release build to another is not a scenario we want to focus on because it is not something real-world customers will experience. While, you can simply upgrade your existing copy of Windows 7 using a procedure Microsoft outlines on the page, Microsoft is appealing to those who participated in the Beta to help it iron our any bugs which may occur during the installation process. We know that means reinstalling, recustomising, reconfiguring, and so on. As a result, we want to encourage you to revert to a Vista image and upgrade or to do a clean install, rather than upgrade the existing Beta. 'The RC, however, is about getting breadth coverage to validate the product in real-world scenarios. You would love to get the RC and quickly upgrade to it from Beta,' says the blog post, softening the way for the news. You've configured and customized the system. Why? Because it wants to test the upgrade process from Vista specifically – how upgrades will be performed in what it calls 'the real world.'

But Microsoft wants Beta testers to do this by installing from Vista rather than an earlier build of Windows 7. Signed simply 'Windows 7 team,' the post appeals to everybody using Windows 7 Beta to help test the Release Candidate (RC) too. Microsoft has posted an update on its Engineering Windows 7 blog outlining the latest news from the team behind the OS as it moves swiftly towards release.

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