1. Joined : Jul 2015
    Posts : 2
    Windows 10
       30 Jul 2015 #1

    Clean install windows 10 with 8 partitions


    Hi everyone, i've upgraded from windows 8.1 with uefi bios, so basically now i can do clean install 10 without product key?
    But the real question is: My pc have 8 partitions, the primary one, 5 of recovery, 1 oem and 1 efi.
    Can i delete all partitions and create only one?
    Thank you
      My System SpecsSystem Spec

  2.    30 Jul 2015 #2

    Hi Cero, welcome to TF!

    If you are doing a clean install, then you will be able to reformat the drive to a single partition during installation, when using the installation media it will give you the option of where to install.

    When you get to this screen : Click image for larger version. 

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    You should delete all the unwanted partitions, then click the large un-allocated space that is left.
      My System SpecsSystem Spec


  3. Joined : Jul 2015
    Posts : 2
    Windows 10
       30 Jul 2015 #3

    But those partitions are useful? or i can delete them without any problem?
      My System SpecsSystem Spec


  4. Joined : Jul 2015
    Posts : 15
    Windows 10
       30 Jul 2015 #4

    During a clean install (meaning you delete all partitions before) windows itself will create two partitions. Partition 1 - System Reserved and Partition 2 - C:.
      My System SpecsSystem Spec

  5.    30 Jul 2015 #5

    cerozz96 said: View Post
    But those partitions are useful? or i can delete them without any problem?
    The Main concern, do you have any data on those partitions that you want to save? If not, then you can delete them without any problems.
      My System SpecsSystem Spec


  6. Joined : Jul 2014
    San Jose, California
    Posts : 1,956
    Ubuntu14.04x64 MintMate17x64 Win10Prox64
       30 Jul 2015 #6

    tumas04 said: View Post
    During a clean install (meaning you delete all partitions before) windows itself will create two partitions. Partition 1 - System Reserved and Partition 2 - C:.
    This is correct if you install using MBR. Windows will create a 500MB reserved partition and C: drive. However, if you install using EFI, Windows will create 4 partitions: 450MB reserved partition, 100MB System, 16MB MSR and C: Drive.

    @OP,
    If you don't have anything to save then the easiest way is:
    1. Connect only one disk drive to your PC
    2. Boot up the installation media
    3. On the first screen, press & Hold SHIFT KEY + F10, a command windows will pop up
    4. type: diskpart -> Select disk 0 ->Clean then close the command windows
    5. Continue with the installation, select custom, hi-lite the unallocated partition then click next
      My System SpecsSystem Spec

  7.    30 Jul 2015 #7

    You should always unplug all the drives apart from the OS drive as Windows can in some situations install parts of itself on other drives making it troublesome when you need to replace that drive.
      My System SpecsSystem Spec


 


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