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This is a walk through on how to install the Windows 7 Beta (7000 build) in Parallels 4 (4.0.3810). First you’ll want to download beta located on Windows 7 main page and, if you haven’t already, upgrade Parallels 4 to the latest build. My install was painless (running the OS initially not so, but I’ll get into that later) and took about 35 minutes till I was booting up Windows 7 for the fir...