Boot from installation disk and select install.
type your serial, and on the next screen you'll be asked to upgrade or new install.
select new install and then select your main partition (should be the biggest one).
don't delete or format anything, if you do, your files will be deleted.
proceed to windows installation.
all your files will be saved at C:\windows_old you can restore it by copying C:\windows_old/users/yourname to c:\users/your_name.
reinstall all programs that you need.
you may be booting in bios / legacy mode not uefi.
your partition is on GPT mode, that is only support UEFI boot mode.
to boot in uefi manually. on the bios screen (after beep) press f9, this will make you select boot partition.
in my pc (hopefully yours too), it will display :
- windows uefi boot (partition a)
- windoes uefi boot (from install disk, if inserted)
- boot from hdd partition A <---- this will run mbr legacy mode
- boot from install disk <---- this will run mbr mode
- and so on if you have anymore bootable drive
UEFI boot mode (the top 2) will be created automatically if the bios detected you have a uefi compatible drive.
You can select it as a default in uefi / bios manager (press del in boot).
Find the option "Enable UEFI Boot mode" and enabled it.
And then go to boot tab and select windows uefi as your 1st boot.
save and reboot.
Now you'll want to select windows uefi boot from install disk.
proceed with the installation.
