As everyone else said, dont download for the sake of downloading. But get these programs if you want them.
For ISO mounting:
Daemon Tools
For ISO modifying/burning/mounting:
UltraISO
For Partition editing:
Acronis Disk Director
For Backups:
Acronis True Image (What can i say, Acronis makes good programs)
For Burning Games:
Alchol 120%
For Easy Interface Modifying:
Windows Blinds
For dock(Like OS X) solutions:
Rocket Dock
Object Dock
For Photo Editing:
Photoshop
For Easy Web Design:
Microsoft Front Page
For decent web design(but a bit harder):
Dreamweaver CS3
For flash creation:
Flash CS3
For decent Anti Virus:
Bit Defender 2008
AVG 8 (Aparantly)
For Decent Spyware protection:
Spyware Doctor
Spy Sweeper
Xoft Anti Spyware(its not that good, but VERY quick, so its usefull)
Super Anti Spyware (Wont find as much, but it will acctually get RID of them for good.)
For Decent Web Browsing:
FireFox 3
Opera 9.5(beta 2)(Best browser of all time if you ask me
)
Messenger:
Windows Live Messenger 8.5/9 (and Plus!)
Skype
Games:
COD4
Crysis
Quake Wars
Retro Wars
I cant think of anything else of the top of my head...
I hope i was of some use for you
(Seeming as most posts on the 1st page were NOT helpfull.)