To move or resize a partition, right click on the partition (smaller rectangle) inside a disk and select Move/Resize partition.
In this wizard, Move ane Resize operations are performed using sliders and text fields. A diagram above the sliders instantly shows how the partition and adjacent space will look like.
To Move partition:
Use Free Space Before and Free Space After sliders or text fields.
To place the partition right after or before the adjacent partition or boundary, enter “0” into the corresponding text field.
To Resize partition:
Use New Size slider or text field.
You can also use Free Space Before and Free Space After sliders. First the partition will move until it presses against the boundary, then it will shrink to fit the specified Free Space.
You can now preview your changes.
Press Apply operations, then – Apply.