Windows 10: I am not able to shrink volume of my C Drive even though alot of space is free

I am not able to shrink volume of my C: Drive even though alot of space is free, I want to reduce the C: Drive to 100GB but it is not working. I am not that good at computer stuff therefore can someone help me out with Step by Step guidance on how to reduce it?I have attached some screenshots that I think are necessary. If you need anything else please ask because I really need help for this.It is an HP x360 Pavilion i7 1165G7, I went to the HP Service Center near me and they said it is due to BitLocker and they weren't able to shrink it but IDK what BitLocker is so I am just stuck at this po

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I have many free space in SSD C drive. But i am not able to shrink volume. Kindly help

I have many free space in SSD C drive. But i am not able to shrink volume. Kindly help

 

Shrinking of C Drive is Not possible

windows 8.1

i have total space of around 220 Gb in C drive which i would like to reduce and transfer the space to other drive. when i tried the 'Shrink' option, it showed available shrink of around 5Gb which reduced the C drive to 215 Gb.

How to further REDUCE the volume in C drive and Transfer the space to Other Drives?

Help me out.

 

Can't shrink the volume of the C drive.



Hi.
I just reset my PC. I've 688.9GB of space in my C drive and 207 in D drive. (I haven't installed anything yet). Starting off, I just wanted to create another partition. But I can't shrink the volume of my C drive. It says 0MB of size available in shrink space.
Could someone please tell me how to fix this?

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