Delete specific partitions for Windows 11.
Delete specific partitions for Windows 11.
You need to remove specific partitions for a fresh installation. Based on what you listed, delete Drive 0 Partition 1 and Drive 0 Partition 3.
With a bootable installer, you can remove all partitions. You may choose to retain Partition 3 OEM (Reserved) as it allows access to Dell diagnostics via the BIOS.