Download the PartedMagic ISO for your computer ask me if you aren't sure.
Instructions for making a Boot CD
Download and install Infrarecorder and place a blank CD in your CD writer then run Infrarecorder
Click WRITE IMAGE
Navigate to the PartedMagic ISO that you downloaded and click the OPEN button
Click the OK button and it should burn your CD. When it is done it will automatically eject the CD and you can close Infrarecorder, you can now use this CD to boot your PC.
Instructions for making a Bootable USB Flash Drive
Follow the instructions here for UNetbootin and select DISK IMAGE and navigate to the PartedMagic ISO that you downloaded. Pay very close attention to the USB flash drive that you select to write to in order not to overwrite data on the wrong device by accident.
Instructions Booting From The CD or The USB Flash Drive
Getting your computer to boot from the CD or USB flash drive that you made is easy but different models of computers have slightly different ways to do it. If you aren't sure how then simply do a search on the internet for
How to boot from CD/USB for your model of computer
If you can't find an answer or have any difficulty, let me know and I will tell you how.