when I install window 8...so the existing window 7 files moved into D drive(which was in c drive previously). so window 8 files are in C drive. so when I starting my computer only window 8 is booting....window 7 is not booting....bcoz D drive not bootable. so what can do I do? I want solution so that both windows work..
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You essentially can do dual booting with Windows 7 and 8 which is what you are wanting to accomplish.