New
#11
In case you need them later.
N55SF drivers: N55SF - Notebooks & Ultrabooks - ASUS
For now first right click in disk mangement on the 25GB not used partition. select "delete volume" or something like that. Space is now unallocated.
You need Windows 7 Home Premium 64bit English I assume? If so: Download
Windows 7 Home Premium x64 SP1X17-58997.iso
Burn on DVD. Now do a clean install from DVD. Don't select Upgrade but "custom" in step 6. Install in the now "unallocated space" Clean Install Windows 7
It's dual boot now. Activate your new win7. Check device manager... any question marks, and/or other devices. Install drivers for them.
Do you understand?
Removing the dual boot (if you're very sure all is working) is easy I'll explain later if you want that info