1. Are you backing up your entire drive? If yes, it will include you Mac and the VM, both, unless you specifically excluded.
2. In a nutshell, leave your VM intact, if you have about 50-100GB free on the current hard disk.
3. You can install Windows via Bootcamp on the existing disk, provided #2 is true.
4. What type of a Mac do you have, the year/model would help fill in more specific details.
5. The steps to install Windows via Bootcamp are
a. Run Application -> Utilities -> Bootcamp Assistant.
b. It has three check boxes, which will download Windows drivers which support Apple hardware, partition you disk, and install windows
using the install media. Depending on #4, it may require using a USB2 flash drive of 8/16 GB.
c. Once you have Windows installed, you may need to install drivers that support Apple Hardware.
e. You can transfer files from your VM to your Bootcamp Windows installation. At this point you can delete the VMwar
Windows, if you like.
f. Please be aware that to run Windows under Bootcamp would require selecting Windows and rebooting the Mac overtime you want to switch between OSX
and Windows.
This is thequickest set of steps that will have Windows running.