C:\WINDOWS\system32>reagentc /disable
REAGENTC.EXE: Operation Successful.


C:\WINDOWS\system32>diskpart

Microsoft DiskPart version 10.0.19041.3636

Copyright (C) Microsoft Corporation.
On computer: W4

DISKPART> list disk

  Disk ###  Status         Size     Free     Dyn  Gpt
  --------  -------------  -------  -------  ---  ---
  Disk 0    Online          953 GB  1024 KB        *

DISKPART> sel disk 0

Disk 0 is now the selected disk.

DISKPART> list part

  Partition ###  Type              Size     Offset
  -------------  ----------------  -------  -------
  Partition 1    Recovery           529 MB  1024 KB
  Partition 2    System              99 MB   530 MB
  Partition 3    Reserved            16 MB   629 MB
  Partition 4    Primary            952 GB   645 MB
  Partition 5    Recovery           834 MB   953 GB

DISKPART> sel part 4

Partition 4 is now the selected partition.

DISKPART> shrink desired=250 minimum=250

DiskPart successfully shrunk the volume by:  250 MB

DISKPART> sel part 5

Partition 5 is now the selected partition.

DISKPART> delete partition override

DiskPart successfully deleted the selected partition.

DISKPART> create partition primary id=de94bba4-06d1-4d40-a16a-bfd50179d6ac

DiskPart succeeded in creating the specified partition.

DISKPART> gpt attributes =0x8000000000000001

DiskPart successfully assigned the attributes to the selected GPT partition.

DISKPART> format quick fs=ntfs label=" Windows RE tools"

  100 percent completed

DiskPart successfully formatted the volume.

DISKPART> list vol

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
  Volume 0     C                NTFS   Partition    952 GB  Healthy    Boot
  Volume 1         Recovery     NTFS   Partition    529 MB  Healthy    Hidden
  Volume 2                      FAT32  Partition     99 MB  Healthy    System
* Volume 4          Windows RE  NTFS   Partition   1085 MB  Healthy    Hidden

DISKPART> exit

Leaving DiskPart...

C:\WINDOWS\system32>reagentc /enable
REAGENTC.EXE: Operation Successful.