These are the partitions in my Windows 10. Which partitions can I delete? As I said before, I am not interested in having Windows AND Ubuntu MATE. Just UMATE
1 - 500MB - Healthy (EFI System Partition)
2 - 40MB - Healthy (OEM Partition)
3 - 750MB - Healthy (Recovery Partition)
4 - OS (C:) - 872.47GB - NFTS - Healthy (Boot, Page File, Crash Dump, Primary Partition)
5 - 503MB - Healthy (Recovery Partition)
6 - 48.83GB - Unallocated
7 - 8.33GB - Healthy (Recovery Partition)