To fix the “Cannot install Windows, BitLocker Drive Encryption is enabled on selected partition” error, suspend BitLocker via Settings or Control Panel, or use your recovery key to unlock the drive.
There's one immutable law of PCs: sh*t happens. And when it does, there's usually a way to fix things, if you had the foresight to create one essential recovery tool first. Booting from a USB recovery ...
This may sound like it could be the shortest tutorial ever, but if you were planning on just sticking the Windows 7 DVD into your PC come 22 October and hoping for the best, it's a good job you're ...