Partitioning My hard drive

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  1. Posts : 83
    Windows 10 Pro 64 bit
       #1

    Partitioning My hard drive


    I want to partition my main drive C so that I can install windows 7. I'm using disk management to do it and I right click C and click shrink volume. The size before shrink is 609,184MB and the size available shrink is 340MB and the size after shrink is 609,884MB. I want to shrink it by 150,000MB. I have 392,000MB free on this drive so it looks like I'm doing something wrong or I've got something protecting it from being shrunk.
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  2. Posts : 35,622
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #2

    Hi, anything significant to do with changes in the size of your Windows partition needs to be done with a 3rd party partition manager such as Minitool Partition Wizard or Aomei Partition Assistant.
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  3. Posts : 83
    Windows 10 Pro 64 bit
    Thread Starter
       #3

    So the disk management tool in Windows 10 is no good and I need a 3rd party tool?
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  4. Posts : 35,622
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #4

    Disk Management can do certain things. The things it can do it can do competently. It is limited.
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  5. Posts : 56,120
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #5

    Is this an HDD or SSD?

    Here is the write-up on how to use MiniTool, and Disk management. Written in easy layman's terms.

    Two Easy and Effective Ways to Free Shrink Windows Partition
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  6. Posts : 12,492
    Win10 Version 21H2 Pro and Home, Win11 Pro
       #6

    Agreed, Disk Management can't do some things that involve the partition Windows is installed on.
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  7. Posts : 83
    Windows 10 Pro 64 bit
    Thread Starter
       #7

    It's an HDD drive. I'll try the mini tool.
      My Computer


  8. Posts : 35,622
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #8

    As ever, before making changes, make sure you have a current disk image (e.g. Macrium reflect - free - + external storage for disk image files) so you can recover- even if your system disk fails. Also is a full backup of imaged partitions.

    Members here tirelessly recommend the routine regular use of disk imaging.
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  9. Posts : 83
    Windows 10 Pro 64 bit
    Thread Starter
       #9

    I 'm using the mini tool and and I shrunk it until I had 150GB and hit OK and now it says unallocated 150GB. I haven't hit the apply button. How do I assign a drive letter and the NTFS file system? Ok I discovered if I rright click and hit create it had it all filled in for me.
      My Computer


  10. Posts : 13,704
    Windows10
       #10

    squid13 said:
    I 'm using the mini tool and and I shrunk it until I had 150GB and hit OK and now it says unallocated 150GB. I haven't hit the apply button. How do I assign a drive letter and the NTFS file system?
    Hit apply then create a new partition in the space freed up.
      My Computer


 

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