Increase partition size on C drive for win 7 64 bit

[shehram]

Dear Sir
IN my Computer C : Drive space is 40 GB d : Drive 120 GB E : Drive 40 Gb , I want to increase the space of C Drive to 80 GB can you Help in this case ???

 

[dodger46]

Personal preference use Easeus Partition Manager
http://download.cnet.com/EaseUS-Partition-Master-Home-Edition/3000-2248_4-10863346.html

Probably best to back up E then delete it, and use the unallocated space to increase C