
If you really don’t want this partition on your drive-for whatever reason-the ideal thing to do is prevent it from being created in the first place. Prevent the System Reserved Partition From Being Created You really shouldn’t mess with the System Reserved partition-it’s easiest and safest to just leave it be. RELATED: Beginner Geek: How to Reinstall Windows on Your Computer Can You Delete the System Reserved Partition? The partition is typically created during the Windows installation process, just before the installer allocates space for the main system partition. The System Reserved partition consumes 100 MB of space on Windows 7, 350 MB of space on Windows 8, and 500 MB of space on Windows 10. When Windows Creates the System Reserved Partition Important boot files are also stored here by default, although you could store them on the main Windows partition if you preferred. The System Reserved partition is essential if you want to use BitLocker drive encryption, which can’t function otherwise.

Your computer boots the unencrypted System Reserved partition, and then decrypts the main encrypted drive and starts the encrypted Windows system.

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Windows doesn’t normally assign a drive letter to these partitions, so you’ll only see them when you use Disk Management or similar utility. Windows 7, 8, and 10 create a special “System Reserved” partition when you install them on a clean disk.
