Windows 10: How can i have 800GB of hard disk space unallocated , how can i move that space to drive c:...

I messed it and not sure if i can and how to fix this mess.I have two hard disks. C and D but after installed windows 10 i messed it all with thepartitions;drive E: have 465 GB and i don't want to touch it.the problem is with the drive C that have windows installed on it but only have 97GB of space and i have also 833GB space of unallocated that i want to move/merge with C so drive C will have 900GB of space. i have also 3 partitions of Healthy recovery and efi spaces almost 2GB that i'm not sure what are they for and what to do with them.all that mess happened after installed windows 11 and

:)

 

Unallocated Space to C Drive

Thanks

 

Unallocated Space to C Drive

Hi Travis,

It appears that a disk partition was created but was never assigned its allocation. Assuming there are no files stored in the unallocated partition, perform these steps to combine it with your C: drive:

• In Disk Management, right-click on (C which appears next to the
  Unallocated partition.
  
• Select Extend.

Let us know if you're able to combine the spaces after following the steps above.

Regards.

 

adding unallocated disk space to drive C:

How can I add the unallocated disk space to drive C:\ when the unallocated space is not adjacent to the C:\

partitions are on the drive: such as Drives: E, F, G, H

drive F:\ has been shrunk and I would like to add the unallocated space to the C:\

however, windows will not let me expand the C: drive or move the unallocated space to Drive C:\

I am trying to do this because Windows has run out of space on Drive C:\ and I am now having a hard time printing, saving, etc.