BurnInTest Windows is a software tool that allows all the major sub-systems of a computer to be simultaneously tested for reliability and stability. Also available for Linux.
WSCC - Windows System Control Center is a freeware app that will install, update, execute and organize utilities from suites such as Microsoft Sysinternals and NirLauncher.
Auslogics ChillMate is a compact yet powerful tool designed specifically to address the common issues of laptop overheating, battery drain, and intrusive fan noise.
HeavyLoad is intended to stress all resources of a PC (like CPU, RAM, hard disk, network, operating system, etc.) in order to test if it will run reliably under heavy load.
Passmark BurnInTest Linux is a software tool that allows all the major sub-systems of a computer to be simultaneously tested for reliability and stability.
Sergei Strelec's WinPE 64-Bit for Windows 10/11 creates a bootable DVD or thumb drive for PC maintenance, including partitioning, backup and restoring, diagnostics, data recovery, and more. There are 32 and 64-bit and a smaller update available.
DPC Latency Checker (DPC) is a valuable tool that helps identify and diagnose issues related to Deferred Procedure Call (DPC) latency on Windows systems.
Windows Repair Toolbox includes most third-party applications and utilities you might need to repair any Windows problems in one small application. Video tutorial available.