If you have Mountain Lion installed, then you have BootCamp v4 already.
While getting Bootcamp ready it asks if you want to download any additional software/drivers for your Mac so that your Windows install performs the best that it should.
Click the box asking if you want to download that software and save it to a USB drive.
Partition your hard drive if you wish to share it with OS X or during the Windows install you may format and erase your entire OS X partition if you want to use the machine solely for Windows.
Boot up Windows to start your installation and choose the Bootcamp partition and format that partition and continue or
...delete the OS X partition and Bootcamp partition to use the entire hard drive for Windows then format the new partition NTFS for Windows and continue..
After your computer gets to the Windows Desktop, insert the USB drive you had Bootcamp download your drivers/software to and insert it and run the program.
This will install all of the necessary hardware drivers for your Mac to function correctly in a Windows environment.
Then spend the next 2-3 hours downloading and installing Windows updates
**Then internet recovery partition is basically 100-200MB partition that allows you, in the case of something going wrong, to completely format and reinstall OS X onto your computer without the need of any type of Boot disks. You just need internet access for the entire process.
It gives you access to the basic Mac boot up tools