What happens next in this paragraph?

How to maintain your computer
Clean out all the junk left behind by browsers.
To do this, you can use the disk cleanup utility included on the windows systems, or download a freeware program such as ccleaner to do it for you. In linux you can use kleansweep or bleachbit.
Choose from: [I] Cookies and cache left behind by browsers can amount up to gigabytes of wasted space, so it is imperative they're deleted. Search and destroy spyware and/or viruses on your pc. [II] Back up the hard drive from the cd you want to restore and open the disk cleanup utility. Download or install the gmail.com which will launch disk cleanup. [III] When you see a program that you disapprove about, delete it. Use the trash-bin protocol for disk cleanup. [IV] Try to get it service on the latest version if at all possible. You can also create separate folders if possible, and then microsoft disk cleanup utility if you are running older versions of windows (partn1).
[I]