Security Utilities
Windows Defender/MSE - My favorite antivirus program. Make sure to enable PUA detection as I describe HERE.
Malwarebytes Anti-Malware - One of the best on demand anti-malware scanners.
SUPERAntispyware - Another great on demand anti-malware scanners.
uBlock Origin - Great add-on for Chrome and Firefox that blocks ads and malware domains.
Norton ConnectSafe - Free DNS service that looks up websites quicker and blocks known malicious sites, they also offer settings for family safety.
SpywareBlaster - Prevent's the installation of malware via your browser.

System Utilities
Google Chrome - The fastest most secure web browser available.
CCleaner - Great tool to clean up junk and temp files.
Glary Utilities - This will clean out your registry, find problems with your pc and fix them.
Autoruns - This utility is the most comprehensive start up monitor.
ProcessExplorer - Great replacement for the standard Windows Task manager.
LibreOffice - The best replacement for Microsoft Office, compatible with Word, Excel and PowerPoint.
PeaZip - Great open source archiver.
Puran Utilities - Best defragmenter that allows for scheduling and boot time defragmentation along with a number of other great tools.
Recuva - Accidentally delete a file? Try Recuva to recover it.
Driver Booster - To make sure your drivers are up to date, use this utility.
Speccy - This will tell you all of the hardware specs of your pc.
TCPOptimizer - To completely optimize your internet connection for optimal bandwidth.
Advanced System Tweaker - The best utility to optimize and customize your system.
LastPass - Excellent password manager that integrates into your browser.
Macrium Reflect - Free disk imaging in case of a system crash.
jv16 PowerTools Lite 2013 - Excellent utility to remove useless and leftover registry entries.
Tweaking.com - Windows Repair - All-in-one repair tool to help fix a the majority of known Windows problems.
Foxit Reader - The best FREE pdf reader.


Media Utilities
DVDFab - This will allow you to copy DVD's if used along with ImgBurn.
ImgBurn - The best cd/dvd burning software available.
DVD Flick - Want to authorize your own DVD's, this is program you need.
K-Lite Codec Pack - You need codecs to view different media formats, includes Windows media Player Classic.

Misc. Utilities
qBittorrent - Great file sharing/torrent program, with no ads or added junk.
GIMP - The FREE alternative to Photoshop.
Pidgin - Universal instant messenger client.