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Worry-Free Services requires the following to use Full Disk Encryption:

Item
Requirement
Operating system
  • Windows 11
  • Windows 10
  • Windows Server 2016
  • Windows Server 2012 R2
  • Windows Server 2012
System partition format
  • Legacy BIOS mode: NTFS
  • UEFI (Unified Extensible Firmware Interface) mode: NTFS, FAT, FAT32
System partition size
At least 250 MB of free space
For more information on BitLocker system requirements, see https://docs.microsoft.com/en-us/windows/device-security/bitlocker/bitlocker-overview.