Linux – How to remove linux mint

linux-mintntfswindows

I have Windows 8 and Linux Mint both installed on my system. Now I want to remove both Linux Mint and Windows 8 and install Windows 7 from a USB flash drive.

I don't know where the Linux Mint files are.

When I boot from the Windows 7 USB drive, I can't install Windows 7.
It says the following:

Error: Windows cannot be installed to Disk 0 Partition 1. (Show details)

Details: Windows cannot be installed to this disk. 
The selected disk has an MBR partition table.  
On EFI systems, Windows can only be installed to GTP disks.  
Windows cannot be installed to this hard disk space.  
Windows must be installed to a partition formatted as NTFS.

So my question is how to safely remove Linux Mint and restore the NTFS filesystem without losing any files on any of the partitions?

I have no problem losing all files stored in the Windows partition C:

Best Answer

You'd better copy/backup all the files you want to keep to an external drive and then perform a clean install (removing all the partitions, etc.). You don't really seem to understand what you are about to do, so I think this will be the less error-prone method as well as the safest one (for your data).

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