https://streamable.com/4maob
heres a tutorial, sadly i couldnt figure out how to make a text in the edition program, so i explain here
first start the program, click on the partition that you want to remove, then drag it down to the left as long as you can, after thats done, clock OK, and those GBs will get unallocated, then click on the partition that you want to add those gbs to, and do the same, but drag it to the right.
in your case, i would begin filling up one of those partitions to begin with, to make sure the ones your taking the GBs from are empty
or do it like Southball, your decision, i find that program i use easier though
