How To resize a Bitlocker partition without unencrypting it

This is a How-To resize a Bitlocker (Windows) partition without unencrypting it: 1. Backup the Bitlocker keys 1. Check the keys with manage-bde -protectors -get C: 2. Shrink other partitions to make some free, unused space 3. Start a WinPE environment 4. Move the partition