Extend C Drive
In Partition Expert, click on C Drive and choose Resize/Move Volume and open the resize window, then drag the handle on the right to extend volume
In Partition Expert, click on C Drive and choose Resize/Move Volume and open the resize window, then drag the handle on the right to extend volume
Drag both handles inwards will shrink the volume, which will create unallocated space for C Drive extending if there's no such space on the disk