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Diagnostic Software for Windows

The Diagnostic Software catalog includes programs developed to evaluate, monitor, and optimize your computer system.... more
The Diagnostic Software catalog includes programs developed to evaluate, monitor, and optimize your computer system. The software programs in this directory may provide basic system information, delete unnecessary files, fine-tune your system settings, clean and repair your Windows Registry, and improve your computer's performance.
Advanced SystemCare Free

Advanced SystemCare Free
Free

Advanced SystemCare Free

Speed up a slow PC, shorten startup time, and protect online privacy.

Free
Editors' rating
User rating
Publisher: IObit Downloads: 141,749,454
CPU-Z

CPU-Z
Free

CPU-Z

Access various information about your computer.

Free
Editors' rating
User rating
Publisher: CPUID Downloads: 3,452,590
Advanced SystemCare Pro

Advanced SystemCare Pro
Free to try

Advanced SystemCare Pro

Tune up and maintain your PC automatically.

Free to try
Editors' rating
User rating
Publisher: IObit Downloads: 992,439
Wise Registry Cleaner

Wise Registry Cleaner
Free

Wise Registry Cleaner

Find and fix incorrect or obsolete information in the Windows registry.

Free
Editors' rating
User rating
Publisher: WiseCleaner Downloads: 9,456,533
CrystalDiskInfo

CrystalDiskInfo
Free

CrystalDiskInfo

View HDD information and monitor disk temperature.

Free
Editors' rating
User rating
Publisher: Crystal Dew World Downloads: 348,407
Free Window Registry Repair

Free Window Registry Repair
Free

Free Window Registry Repair

Scan, repair, and optimize your Windows registry.

Free
Editors' rating
User rating
Publisher: RegSofts+Software Downloads: 2,741,877
Everest Ultimate Edition

Everest Ultimate Edition
Free to try

Everest Ultimate Edition

Optimize your system performance and realize advanced hardware monitoring and diagnostics.

Free to try
Editors' rating
User rating
Publisher: Lavalys Downloads: 3,020,063
RAMBooster

RAMBooster
Free

RAMBooster

Monitor and improve your RAM performance automatically.

Free
Editors' rating
User rating
Publisher: J.Pajula Downloads: 4,074,157
Hard Disk Sentinel

Hard Disk Sentinel
Free to try

Hard Disk Sentinel

Monitor and analyze your hard disk status.

Free to try
Editors' rating
User rating
Publisher: H.D.S. Hungary Downloads: 104,579
PerformanceTest

PerformanceTest
Free to try

PerformanceTest

Run benchmarking tests of your computer to see if your PC is performing at its best.

Free to try
Editors' rating
User rating
Publisher: PassMark Software Downloads: 676,381
Results 1 - 10 of 588

About Diagnostic Software

The Diagnostic Software catalog includes programs developed to evaluate, monitor, and optimize your computer system. The software programs in this directory may provide basic system information, delete unnecessary files, fine-tune your system settings, clean and repair your Windows Registry, and improve your computer's performance.