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Before you start, make sure to back up every file that is now on your
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9
system. If this is the first time a non-native operating system has
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10
been installed on your computer, it's quite likely you will need to
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partition your disk, you run a risk of losing everything on the
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disk, no matter what program you use to do it. The programs used in
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installation are quite reliable and most have seen years of use; but