Knowing your PC specs matters when you are buying a game, upgrading components, selling the machine, or troubleshooting compatibility issues. Windows has several built-in tools that show this information, and none of them require you to install anything or pay for a "system analyzer" app. This guide covers the fastest path to each piece of information you need.
Method 1: Windows Settings — Quick Overview
The fastest way to check basic specs on Windows 10 or 11:
- Press Win + I to open Settings.
- Go to System > About.
This shows your CPU name and speed, installed RAM, and Windows edition. It does not show GPU details or storage type, but it answers the most common questions in seconds. You can also right-click the Start button and choose System to get to the same screen.
Method 2: System Information (msinfo32) — Full Hardware Report
System Information is a built-in tool that shows a comprehensive report of every hardware and software component. To open it:
- Press Win + R, type
msinfo32, and press Enter.
The System Summary page shows your exact CPU model, total and available RAM, BIOS version, and more. In the left panel, expand Components to drill into Display (GPU details), Storage (drive model numbers), and Network (adapter details).
This is the most complete built-in tool. The downside is that the information is not formatted for readability — it lists technical identifiers that are not always obvious. For most purposes, the data is there; you just may need to search part of a string to look up what it means.
Method 3: DirectX Diagnostic (dxdiag) — GPU and Display
For GPU details specifically, the DirectX Diagnostic tool is more readable than msinfo32:
- Press Win + R, type
dxdiag, and press Enter. - Click the Display tab (or Display 1 if you have multiple monitors).
You'll see the GPU manufacturer, model, total VRAM, and driver version. The System tab at the top also confirms your CPU, RAM, and Windows version in one place. The Save All Information button exports a text file of everything dxdiag reports — useful for pasting into a support thread.
Method 4: Task Manager — Real-Time Specs with Usage
Task Manager's Performance tab shows your hardware specs alongside live usage data:
- Press Ctrl + Shift + Esc to open Task Manager.
- Click the Performance tab.
Click CPU to see the processor model and speed. Click Memory to see total RAM and the current speed in MHz. Click GPU to see the model and VRAM. Click each disk listed to see whether it is an SSD or HDD (look for Type: SSD or HDD in the lower right).
This is the best built-in tool for checking RAM speed (MHz) and confirming drive type, which the other methods do not surface clearly.
Method 5: CPU-Z — Detailed CPU and RAM Information
cpuid.com/softwares/cpu-z.html is a free tool that reads hardware registers to show information that Windows tools either hide or display inaccurately. The portable version (no installation required) works fine. Key details it adds:
- Exact CPU stepping and revision
- RAM configuration: whether you have one stick or two, exact XMP/EXPO profile details, and the memory controller frequency
- Motherboard model and BIOS revision
- Real-time CPU clock speed at the per-core level
The SPD tab in CPU-Z shows the physical specs of each RAM stick — size, manufacturer, and rated speeds — which is exactly what you need when buying a matching stick to upgrade to dual-channel or expand capacity.
Method 6: Speccy — All-in-One Readable Summary
piriform.com/speccy (free) from the makers of CCleaner presents all hardware information in a clean, color-coded summary. It shows CPU temperature, RAM usage, drive health status, and GPU temperature alongside the spec details. Speccy is particularly good for a quick health check — if a component shows a high temperature at idle, that is worth investigating.
On Mac: About This Mac
Click the Apple menu > About This Mac. This shows chip, memory, and macOS version. For more detail, click More Info (macOS Ventura and later) or System Report (older macOS) to open the full hardware listing, which includes storage, GPU, memory modules, and connected peripherals.
Quick Reference: What to Use for Each Spec
- CPU model and RAM amount: Settings > System > About
- RAM speed and number of sticks: Task Manager Performance > Memory, or CPU-Z
- GPU model and VRAM: dxdiag Display tab
- Drive type (SSD vs HDD): Task Manager Performance > Disk
- Motherboard model: msinfo32 or CPU-Z
- Everything in one readable screen: Speccy