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  • /
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  • System data

15 Best Diagnostic Software for Windows PC - Free Download

Selection of programs for obtaining information about the hardware component of the computer, its components, the bitness of the operating system, data about the processor, RAM, video card and other important information about your computer running on Windows.

  • AIDA32
    Average rating
    92% - 8 votes
    AIDA32
    Program displaying computer hardware data
    Windows
    v.3.94.2
  • CPU-Z
    Average rating
    74% - 10 votes
    CPU-Z
    Utility to obtain current data on computer components
    Windows
    v.1.99
  • Everest Home Edition
    Average rating
    72% - 8 votes
    Everest Home Edition
    Computer diagnostic and debugging utility
    Windows
    v.2.20.475
  • Speccy
    Average rating
    90% - 6 votes
    Speccy
    Free computer diagnostic tool
    Windows
    v.1.30.730
  • HWINFO64
    Average rating
    93% - 3 votes
    HWINFO64
    Program to get information about the components of the PC system
    Windows
    v.5.60
  • System Monitor II
    Average rating
    90% - 4 votes
    System Monitor II
    System widget displaying system status
    Windows
    v.29.1
  • SIW
    Average rating
    95% - 4 votes
    SIW
    Computer analysis software
    Windows
    v.2021 11.4.0602
  • SiSoftware Sandra Lite
    Average rating
    82% - 7 votes
    SiSoftware Sandra Lite
    Computer diagnostic application
    Windows
    v.2021 R8 31.53
  • CrystalDiskInfo
    Average rating
    60% - 6 votes
    CrystalDiskInfo
    Utility to collect information about PC disk drives
    Windows
    v.8.15.2
  • HWMonitor
    Average rating
    80% - 3 votes
    HWMonitor
    Computer component monitoring application
    Windows
    v.1.33
  • GPU-Z
    Average rating
    82% - 7 votes
    GPU-Z
    Excellent program for diagnosing video card
    Windows
    v.2.43.0
  • SysInfo Detector
    Average rating
    100% - 2 votes
    SysInfo Detector
    PC component analysis application
    Windows
    v.1.8.1
  • SoundVolumeView
    Average rating
    100% - 4 votes
    SoundVolumeView
    Utility that displays information about the sound components of the computer
    Windows
    v.v1.81
  • CrystalDiskMark
    Average rating
    80% - 2 votes
    CrystalDiskMark
    Quick and easy hard drive performance test
    Windows
    v.8.0.2
  • Corsair Link
    Average rating
    100% - 1 vote
    Corsair Link
    Diagnostic software for temperature display
    Windows
    v.4.9.2.27
  • 3dmark
    Average rating
    100% - 3 votes
    3dmark
    Powerful video card diagnostic tool
    Windows
    v.2.21.7312
  • Core Temp
    Average rating
    100% - 3 votes
    Core Temp
    Handy temperature monitoring software
    Windows
    v.1.17.1

Collections

  • PC diagnostics
  • Iron check
  • PC testing
  • System utilities
  • Working with sound
  • Disk analysis
  • Computer analysis
  • Video Card Diagnostics
  • Memory diagnostics
  • CPU diagnostics
  • Temperature diagnostics
  • HDD Diagnostics

Top downloads

AIDA32
AIDA32
92%
CPU-Z
CPU-Z
74%
Speccy
Speccy
90%
HWINFO64
HWINFO64
93%
Everest Home Edition
Everest Home Edition
72%

Top ratings

AIDA32
AIDA32
92%
Speccy
Speccy
90%
GPU-Z
GPU-Z
82%
SiSoftware Sandra Lite
SiSoftware Sandra Lite
82%
CPU-Z
CPU-Z
74%
Free Software Downloads for Windows and Android Devices © 2025

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