Jul 13, · If there are 2 Windows systems on your computer and just want to remove EFI partition, you can free up disk and keep one OS, and then follow the methods below. If you want to delete the delete EFI system partition and install a new Windows operating system, you can reinstall OS directly, which will delete ESP automatically. IM-Magic Partition Resizer Free is a partition manger for Windows 10, 8, 7, Vista, XP, which helps delete OEM partition in a few simple steps. Download IM-Magic Partition Resizer Free Edition IM-Magic Partition.
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