Question How to merge two "Unallocated Space" partitions into one ?

GorgKhan

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Jul 21, 2020
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I have two Unallocated Space. I want to merge them into one, and then install Windows on it.


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I have two Unallocated Space. I want to merge them into one, and then install windows on it
You can't do that from windows installation environment.
That would require moving partitions around, so one unallocated space is right next to other unallocated space.

3rd party software is required.
For example Minitool Partition wizard free can do that.

  1. Install windows on another empty drive.
  2. Install Partition Wizard free.
  3. Move partitions around.
  4. Remove drive, where new temporary windows was installed.
  5. Install windows on reorganized drive.
 
hm....
You can't do that from windows installation environment.
That would require moving partitions around, so one unallocated space is right next to other unallocated space.

3rd party software is required.
For example Minitool Partition wizard free can do that.

  1. Install windows on another empty drive.
  2. Install Partition Wizard free.
  3. Move partitions around.
  4. Remove drive, where new temporary windows was installed.
  5. Install windows on reorganized drive.
Got it. So I'm going to install windows on the first Unallocated Space, then install a partition software to move that partition around. Then Should I install windows again?
 
I'm going to install windows on the first Unallocated Space,
then install a partition software to move that partition around.
Then Should I install windows again?
So - you don't have another empty drive available?
Ok then. You can do that way too.
It may not even be necessary to install windows the second time.

Note - when moving partitions around, it is recommended to have backups for partitions you're operating with.
If there are some disk surface errors, file system errors or power gets cut during operation,
then that can result in process failure and data loss.
 
Absolute best way is to back up all data, wipe every partition, install windows to the full space, and then add your other partitions back once it's running, finally copy data back to where you want it.

The partition tool above is a good second level idea, but as noted you absolutely must back up all important data before using. If something goes wrong, and it does happen, all data will become inaccessible most likely. This tool has to create temp partitions as it moves data around which can be quite complex. There will be no data recovery if anything weird happens during the process.

Be 100% sure you got everything right before letting the process start. You can't stop or "undo" anything once it begins.