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#1
Hi,
Select each one and click on delete
You'd want to install with the entire disk as unallocated space not split into 3 partitions like that.
Do you have the 919.1 GB backed up? And the 11.9 GB?
If not you can perform an in place upgrade repair and fix may operating system problems.
Hi Boolean
If you have all of your data backedup, Than delete all the partitions by using delete the button below. Once you have deleted all of them Highlight Unallocated space and hit next.
If you stil get same error. Press Shift + F10 and it will open CMD windows. Type following commands
Diskpart
List disk
Select disk 0
Clean.
Now highlight Unallocated space and hit next
These are some tutorials with text and images:
Clean install:
Clean Install Windows 10 Installation Upgrade Tutorials
In place upgrade repair:
Repair Install Windows 10 with an In-place Upgrade Installation Upgrade Tutorials