CPU-Z for PC: How to Download and Install on Windows (2026 Guide)

Someone asks which processor your PC has, how fast your RAM really runs, or whether your motherboard supports an upgrade — and Windows buries those answers in awkward places, if it shows them at all. Guessing wrong before buying parts or troubleshooting can waste real money.

This guide shows you how to download CPU-Z for PC from the official CPUID website, install it on Windows 11 or 10, and read your hardware details in seconds. Requirements, key features, and honest answers about cost are covered below.

What Is CPU-Z?

CPU-Z is a free system information utility for Windows, developed by CPUID. It gathers precise details about the most important components inside your PC — the processor, motherboard, memory, and graphics card — and presents them in a small, tabbed window that updates in real time.

Technicians, gamers, and overclockers have relied on it for over two decades because it reports the facts other tools guess at: your CPU’s exact model and clock behaviour, your RAM’s actual running speed and timings, and your motherboard’s chipset and BIOS version. It is also the standard way to verify a new build or confirm upgraded parts run at their rated speeds.

Key Features of CPU-Z

Detailed processor information: Exact CPU name, cores and threads, technology, clock speeds, multiplier, and cache levels, updated live.
Motherboard tab: Manufacturer, model, chipset, and BIOS version and date — essential before a BIOS update or upgrade.
Memory tab: RAM type, total size, channel mode, real running frequency, and timings.
SPD tab: Per-slot details read from each memory module, including its rated profiles.
Graphics tab: GPU name, manufacturer, memory size, and clock speeds for your graphics card.
Built-in bench tool: A simple CPU benchmark and stress test with results you can compare against reference processors.
Validation and reports: Save reports as text or HTML, or validate your configuration online to share a verified hardware summary.

System Requirements

Operating System: Windows 11, Windows 10, Windows 8, or Windows 7
Processor: Any Intel or AMD CPU — the tool simply reads its details
RAM: 1 GB is more than enough
Storage: Around 10 MB for the program
Internet: Only needed for the initial download and the optional online validation
Account: None — no sign-up or registration
Permissions: Runs fine without administrator rights for normal information viewing

How to Download CPU-Z (Official Method)

Because CPU-Z is one of the most downloaded utilities on the internet, imitation sites frequently bundle it with adware or outright junk. Download it only from the official CPUID website, where the current version is published free of charge.

Official Website: Download CPU-Z from the official website

Step-by-Step Installation

Open the official CPU-Z page linked above in your browser.
Click the “Set Up – English” download button for the standard installer version.
Save the file, named like cpu-z_2.x-en.exe, to your Downloads folder.
Double-click the installer and approve the Windows permission prompt.
Accept the licence agreement and choose the installation folder, keeping the default if unsure.
On the options screen, untick any optional extra offers if shown, and skip creating shortcuts you do not want.
Click Install, then Finish, and launch CPU-Z from the Start menu.

Portable option: The same official page offers a ZIP version that runs without installing anything — handy for checking a PC you do not own. Both versions come from CPUID and report identical information.

How to Check Your Hardware Details with CPU-Z

Open CPU-Z — it takes a few seconds to probe your hardware, then shows the CPU tab.
On the CPU tab, note the Name (your exact processor model), Core Speed, and number of Cores and Threads.
Click the Mainboard tab to see your motherboard’s manufacturer, model, and BIOS version — write these down before any upgrade.
Open the Memory tab to check your RAM’s type, size, and — most importantly — its real DRAM Frequency and channel mode.
Use the SPD tab and the slot dropdown to see each individual RAM stick’s brand, size, and part number.
Click the Graphics tab to confirm your graphics card model and memory. To save everything, use Tools → Save Report as HTML.

Is CPU-Z Really Free?

Yes, completely. CPU-Z is free software from CPUID, free to download and use at home or at work with no trial period, no premium edition, and no licence key. Every tab and the built-in benchmark are fully available in the free version. CPUID supports its tools through its website and partnerships rather than charging users. If any website asks you to pay for CPU-Z itself, it is not an official source — use the link in this guide instead.

Frequently Asked Questions

Is CPU-Z safe to download and use?
Yes, when downloaded from the official CPUID website linked above. CPU-Z is a read-only information tool — it inspects your hardware and displays the results without changing any settings. The only real risk comes from fake download sites that wrap it in bundled junk, which the official link avoids entirely.

Why does CPU-Z show my RAM speed as half the expected number?
That is normal. The Memory tab shows the real clock frequency, while RAM is marketed by its effective data rate — DDR stands for “double data rate”. A stick sold as DDR4-3200 shows roughly 1600 MHz in CPU-Z; double the figure to confirm it runs at full speed.

Does CPU-Z work on laptops and pre-built PCs?
Yes. CPU-Z works on any Windows PC — custom builds, office desktops, and laptops alike. It is especially useful on a laptop or pre-built machine, where the exact motherboard model and RAM configuration are rarely printed on the box.

Can CPU-Z change or overclock my settings?
No. CPU-Z only reads and reports information; apart from its simple benchmark and stress test, it cannot adjust voltages, clocks, or any other setting. For tuning you would use your BIOS or a dedicated tool — CPU-Z’s job is verifying what those changes achieved.

Conclusion

CPU-Z answers the questions every PC owner eventually asks — what is inside this machine, and is it running as it should? Download it free from CPUID’s official website and keep it in your toolbox; the first time you need a hardware fact, you will be glad it is there.

Download CPU-Z from the Official Website

CPU-Z for PC: How to Download and Install on Windows (2026 Guide)