1. KB5028997: Instructions to manually resize your partition to install the WinRE update - Microsoft Support
https://support.microsoft.com/en-us/topic/kb5028997-instructions-to-manually-resize-your-partition-to-install-the-winre-update-400faa27-9343-461c-ada9-24c8229763bf


 
3. Create a new recovery partition.
a. First, check if the disk partition style is a GUID Partition Table (GPT) or a Master Boot Record (MBR).  To do that, run list disk. Check if there is an asterisk character (*) in the “Gpt” column.  If there is an asterisk character (*), then the drive is GPT. Otherwise, the drive is MBR.
i. If your disk is GPT, run create partition primary id=de94bba4-06d1-4d40-a16a-bfd50179d6ac followed by the command gpt attributes =0x8000000000000001
ii. If your disk is MBR, run create partition primary id=27
a. To format the partition, run format quick fs=ntfs label=”Windows RE tools”
b. If your disk is MBR, run set id=27
1. To confirm that the WinRE partition is created, run list vol
2. To exit from diskpart, run exit
3. To re-enable WinRE, run reagentc /enable
To confirm where WinRE is installed, run reagentc /info