Freeware Hardware Diagnostic Tool

Sidebar Diagnostics is a utility that displays information and diagnostics on the components of your computer directly on the desktop. A review of Sidebar Diagnostics has also been published.
Download Sidebar Diagnostics 3.6.3 (from Hardware Diagnostics)

3.5 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

ROG CPU-Z is a version of CPU-Z specially developed for Republic of Gamers (ROG) motherboard users, which allows you to monitor and diagnose your system. A review of CPU-Z ROG has also been published.
Download CPU-Z ROG 2.15.0 (from Hardware Diagnostics)

1.8 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

The Intel Processor Identification Utility is a software application developed by Intel as an official tool which displays information about the installed processors on a given machine. A review of Intel Processor Identification Utility has also been published.
Download Intel Processor Identification Utility 7.0.4 (from Hardware Diagnostics)

3.4 MB | For Windows 7, Windows 8 / Vista / XP | Free

OCCT (---- OverClock Checking Tool ----) is a free and open source tool used to test the stability and performance of computer hardware, including processors, graphics cards, and power supplies. A review of OCCT has also been published.
Download OCCT 14.1.0 (from Hardware Diagnostics)

6.57 MB | For Windows 7, Windows 8 / Vista / XP | Free

BlueScreenView is a simple and freeware application which gives Windows users some insight into what caused the infamous blue screen of death. A review of BlueScreenView has also been published.
Download BlueScreenView 1.55 (from Hardware Diagnostics)

0.06 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

System Information Viewer (or ---- SIV ----) is a small and portable information utility which can display a whole ton of data about your PC including its hardware details. A review of System Information Viewer has also been published.
Download System Information Viewer 5.81 (from Hardware Diagnostics)

5.2 MB | For Windows 7, Windows 8 / Vista / XP | Free

AI Suite II is a comprehensive suite that includes five very useful applications from Asus..
Download AI Suite II 1.02.15 (from Hardware Diagnostics)

29.4 MB | For Windows 7, Windows 8 / Vista / XP | Free

StressMyPC is a great portable freeware application with a simple premise: test how long your PC battery can go before the battery dies. A review of StressMyPC has also been published.
Download StressMyPC 5.61 (from Hardware Diagnostics)

0.02 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

Access system diagnostics while tuning a PC system is critical for obtaining top performance. A review of SpeedFan has also been published.
Download SpeedFan 4.53 (from Hardware Diagnostics)

1.18 MB | For Windows 7, Windows 8 / Vista / XP | Free

Memtest86 is a thorough, standalone memory test for x86 architecture computers..
Download Memtest86 11.3.1000 (from Hardware Diagnostics)

610.42 K | For Windows 7, Windows 8 / Vista / XP | Free