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#11
Assuming you have the ISO file, either on DVD or on external drive, try the following.
Mount the ISO while running under existing OS (10061?). Run (NOT boot) the SETUP.exe file. Choose the top first option. It will do what's called an "In-Place" upgrade, which will retain all your apps and progs, and most of your settings. Takes about 1 to 1.5 hrs, depending on your config.