Hello Phoenix220, welcome to Seven Forums!
Have a look at
Option One of this tutorial at the link below and be sure to post back with any further questions you may have and to keep us informed.
Partition Wizard : Use the Bootable CD
First download the Partition Wizard Bootable Disk (PWBD) ISO file to the desktop, be sure to get the PWBD and not the installed version; scroll down to see the download link for the bootable CD ISO file at this link below.
Partition Wizard Free Bootable CD
Then use ImgBurn to burn the ISO to a CD, at no greater than 4x speed with a verify; it was designed for use and works best from a CD rather that a DVD
then boot the created CD to make the changes.
ImgBurn Free ISO Burning Software