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updates | March 19, 2026

Dual-boot partitioning: Where to place manufacturer recovery partition?

I own a Dell XPS Developer Edition which is shipped with Ubuntu. I would like to dual-boot with Windows 10 and am unsure about the correct partitioning.

Currently, I have three partitions on my SD:

p1 vfat 818MB EFI System
p2 vfat 5.4GB Microsoft Reserved
p3 ext4 506GB Linux filesystem

As 5.4GB is rather large for a Microsoft Reserved Partition, could it be that this partition contains the Dell factory image recovery partition?

My question is, can I just free up 100GB from the the Linux filesystem partition and install Windows 10 there, or do I need to change anything regarding the partitions due to the presence of the Microsoft Reserved partition?

Thanks!

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