Usually, you will need to resize C drive when
it is running on low disk space and you frequently receive low disk space alert
message. You may come up with different methods to fix
the low disk space problem on C drive, but the best and easiest way is to
resize the hard disk and extend the C drive space. You may use different
solution for C drive resizing, but as a matter of fact the problem can resolved
by using a third-party partition magic tool.