The error “Windows detected that the EFI system partition was formatted as NTFS” usually occurs when you install Windows on a GPT disk and the EFI system ...
NTFS, an acronym that stands for New Technology File System, is a file system first introduced by Microsoft in 1993 with the release of Windows NT 3.1. The Windows Server line of operating systems ...
If you're doing a clean install (as opposed to an upgrade on top of the older install), I think it will locate your older install and ask if you want to overwrite it, but still give you the option to ...