Needed to view adobe (pdf)  texts:

File de-compression/compression tool for windows

Much better File compression/de-compression tool for Windows

A Very well built Video Codec that plays both blu-ray and mkv files

CPU-Z is a freeware that gathers information on some of the main devices of your system, such as "true" cpu speed.

3DMark Vantage is a PC benchmark suite designed to test the DirectX10 performance of your graphics card.

FurMark is a very intensive OpenGL benchmark.

Nvidia Graphics card over clocking tool

Speedfan is a fan utility used to adjust your system's fan settings and view component temps.

OVERDRIVE!

 AMD OverDrive exposes all controls so enthusiast PC users can monitor and modify performance settings to achieve extreme performance