Is it possible to extend Windows sytem partition to update to 1607?


  1. ksio89
    Posts : 210
    Windows 10 Pro
       New #1

    Is it possible to extend Windows sytem partition to update to 1607?


    I want to update Windows 10 to build 1607, so I downloaded the Restone ISO and then created an USB bootable drive. I just want to upgrade without losing my files and settings, but the installation wizard tells me I need more room on C: partition, when I currently have around 7 GB free, while it asks for 10 GB of free room in the C: partition. Is it possible to extend the Windows system partition (by shrinking the D: parition), or I risk making the system partition unbootable?

    I use EaseUS Partition Master to perform disk and partitions management, but it seems like I can't extend the system partition. I'm able to shrink D: partition, but I can't use the unallocated space to extend the C: partition. Is it possible with another tool or I'd better just make a clean install on the system partition? I have tons of programs installed, and it would take days to install everything again.

    I only have one HDD in my laptop, installed in UEFI mode with two GPT data partitions, C: and D: Thanks in advance.
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  3. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #2

    A screenshot of disk management would help:
    Disk Management - How to Post a Screenshot of - Windows 10 Forums

    Also, I recommend you use MiniTool Partition Wizard:
    MiniTool Free Partition Manager for Window 8/7/vista/xp | Partition Wizard Free Edition
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  4. ksio89
    Posts : 210
    Windows 10 Pro
    Thread Starter
       New #3

    Okay, here it is:
    Attached Thumbnails Attached Thumbnails Is it possible to extend Windows sytem partition to update to 1607?-windows-disk-management.png  
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  6. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #4

    When you shrink the D: drive, just make sure to put the empty, unallocated space at the front of it. Then you can expand C: drive into the empty space. The MiniTool Partition Wizard extend partition function will do that for you. You select to extend C: drive and it will ask you where you want the space to come from and you would select D: drive. Don't forget to click the apply button to actually make it happen.
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  7. topgundcp
    Posts : 2,799
    Linux Mint 20.1 Win10Prox64
       New #5

    Mini Tool Partition would be a better Partition Manager. However, you've already have EaseUS installed. Follow the video to extend C drive.
    Note: In the Video, I used drive G and K. Yours would be C and D.
    Last edited by topgundcp; 04 Aug 2016 at 19:14.
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  8. Whatphoeb
    Posts : 141
    windows 10
       New #6

    This article may helps : How to Free Extend System Partition Or Enlarge/Extend C Drive Partition - EaseUS
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  9. RolandJS
    Posts : 1,621
    Windows 10 Home
       New #7

    I hope you have made restorable full image backups of your partitions on trusted external media before doing all that good stuff.
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