Windows 7 {Please help me I'm looking for a mega list of some amazing software for windows 7

Finally I got my Dell Laptop with my Window 7 loaded in it. And I'm desperate to know the list of some of the best software for windows 7. So please suggest softwares which you personally use on your windows 7 and help you in any condition.

Software can be :

I need best of the best whether its free, old, latest, free and premium.

I'm sure that users who this forum has great potential and will help me

First thing to buy for any pc is a reliable backup system and implement it with your system drive being limited to just operating system and installed applications and all other files stored on a separate physical drive or partition. That way your backup images should never be bigger than about 30gb and you can recover from anything from a bad install/malware infection through to a complete system crash in minutes. I've relied on Acronis True Image for years - get a fully working trial copy from here:

Complete hard disk recovery solution, backup, drive copy, clone and image computer software