Below you will find some links to free programs that might just make your time on the computer a little bit easier:

7zip  7-Zip 7-Zip is a open source file archiver with a high compression ratio. GUI and command line options
chrome  Chrome Google Chrome is a browser that combines a minimal design with sophisticated technology to make the web faster, safer, and easier.
mbam  Malwarebytes Malwarebytes Anti-Malware's industry-leading scanner detects and removes malware like worms, Trojans, rootkits, rogues, spyware, and more.
essentials  Security Essentials Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software.
unchecky  Unchecky Unchecky aims to keep potentially unwanted programs out of your computer.
vlc  VLC VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols.