Free utility for displaying lots of useful Windows, Network and Hardware info!

System Information Viewer (SIV)
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System Information Viewer (SIV) 5.81

  -  28.18 MB  -  Freeware
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of System Information Viewer (SIV) 5.81.


For those interested in downloading the most recent release of System Information Viewer (SIV) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download System Information Viewer (SIV) 5.81
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  • System Information Viewer (SIV) 5.81 Screenshots

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    System Information Viewer (SIV) 5.81 Screenshot 1
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  • System Information Viewer (SIV) 5.81 Screenshot 4

What's new in this version:

- Added [System Summary] which provides an overview of the Windows version, CPUs including cache topology, memory, disk drives, GPUs and motherboard. A Left/Click on the Windows logo will popup this panel and it's also available as View Summary via the [Copy|▼] dropdown..
- Added AMD Ryzen (Hawk Point) + (Rembrandt) per CPU Core + L3 Cache temperature reporting.
- Improved support for i386 + i486 CPUs that don't have CPUID, especially so for Windows 9x and FPU detection.
- Added the [CPU CR0] panel and corrected the MB/Second when Seconds is > 4.095 on [Memory Speeds]
- Added the [CPU i486 S-Spec] panel, S-Specs that have been added to CPUDEVS.txt are reported in the CPUs in CPUDEVS colour.
- Added the [CPU S-Spec Setup] panel which allows the user to setup the CPU S-Specs and specifies which save file filename suffixes to apply.
- Updated [GPU Temperatures] to use the current temperature selection and added °O Onkian + °S SImyon support.
- Added Menu->Help->Conversions->CPU Voltage R1 R2 which shows the R1 and R2 values needed to set non standard voltages on my PGA-DX4/2.
- Resolved issue with the [Hardware Status] panel crashing on some systems with an odd number of DIMMs.
- Resolved issue with tooltips not working when SIV32X was run on Windows 2000 and added SIV32N, a Unicode SIV for Windows NT V4.00.
- Added ASRock 990FX Extreme3 + ASUS CUBX + Chaintech 4SOM2.1 (M102) motherboard support. Fixed MSI MS-6135 -12 and -5 voltage reporting.
- Added Windows 11 25H2 Build 27813 support. Enabled operation of [ACPI Eval], etc.

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