Want to know how much RAM you’ve got, which processor is inside your PC, or how much storage is actually free? You don’t need to crack open the case or install some third-party system-info tool — Windows 11 already has everything you need built in.
Knowing your specs comes in handy for troubleshooting, checking if an app or game will actually run, or deciding whether a hardware upgrade is worth it. Here’s where to find all of it.
Why Bother Checking Your Specs
A few common reasons this comes up: your PC’s running slow, you’re installing something demanding, you’re checking a game’s system requirements, you’re weighing a RAM or SSD upgrade, or you’re troubleshooting a hardware issue. Windows makes most of this genuinely easy to find.
1. Basic Specs From Settings
The fastest overview lives at Settings → System → About (or press Windows + I to get to Settings).
You’ll see your processor, installed RAM, device name, system type, Windows edition, version, and build info — plenty for a quick “what are your specs” answer.
2. Checking Your RAM
RAM is the temporary memory Windows and your open apps actively use. How much you need depends on your workload, but more helps when you’re juggling multiple demanding programs.
Installed RAM: Settings → System → About — you’ll see something like “16.0 GB RAM,” which is the physical memory installed.
Current RAM usage: press Ctrl + Shift + Esc for Task Manager, then go to Performance → Memory. You’ll get total memory, what’s in use, what’s available, memory speed, and slot/form-factor info where supported — much more useful when you’re actually troubleshooting performance.
3. Checking Your CPU
Your processor handles the calculations behind everything Windows and your apps do.
Quick check: Settings → System → About, under Device specifications → Processor.
More detail: Task Manager (Ctrl + Shift + Esc) → Performance → CPU, which shows the model, current utilization, speed, core count, logical processors, and cache info — handy for figuring out if your CPU is the bottleneck.
4. Checking Storage Capacity
Go to Settings → System → Storage for a breakdown by category — installed apps, temporary files, documents, pictures, videos, system & reserved, and more — plus how much space you’ve got left.
Don’t be surprised if a “512 GB” drive shows less usable space than advertised — formatting, Windows itself, and recovery data all take a bite. That’s normal.
5. SSD or HDD?
Open Task Manager → Performance and select your disk — Windows will usually identify it as SSD or HDD, along with capacity, current activity, read/write speed, and active time.
SSDs are dramatically faster than mechanical HDDs for everyday responsiveness. If your PC still runs an HDD and feels sluggish, an SSD upgrade (if your PC supports it) is one of the more noticeable fixes out there.
6. Checking Your Graphics Card
Your GPU matters for gaming, graphics troubleshooting, driver updates, and checking software requirements. Open Task Manager → Performance → GPU — you’ll see any graphics processors your PC has, and can click into one for usage and memory details.
7. Checking Your Windows Version
Instructions can vary between Windows releases, so this matters more than people think.
Find it at Settings → System → About under Windows specifications (edition, version, install date, OS build) — or faster: press Windows + R, type winver, hit Enter.
8. Checking 64-Bit vs. ARM
Some software ships in different builds depending on your processor architecture. Check Settings → System → About under Device specifications for System type — useful to know before downloading anything so you grab the right version.
9. Going Deeper With System Information
If Settings doesn’t cut it, Windows has a much more detailed tool built in. Press Windows + R, type msinfo32, hit Enter.
System Information covers hardware resources, components, software environment, system model, BIOS info, processor and memory details, and device configuration — good for anything beyond basic troubleshooting.
10. DirectX Diagnostic Tool for Graphics
Press Windows + R, type dxdiag, hit Enter. DxDiag covers system and graphics hardware info and is particularly useful for graphics, display, or audio problems — and it’s often what support teams ask for when troubleshooting games.
11. Checking Your PC Model
Useful when you need drivers, want to check upgrade compatibility, or need manufacturer documentation. Check Settings → System → About for the device model, or look at the manufacturer’s label for laptops and prebuilt desktops. Always verify the exact model before buying replacement RAM, storage, a battery, or anything else.
12. Total Storage vs. Available Storage
A drive marketed as 1TB will show less usable space once you account for formatting, Windows itself, recovery partitions, system files, and your installed apps and personal files. Check the current picture at Settings → System → Storage — and if you’re running low, see our guides on freeing up storage space and finding large files.
13. Checking Specs Before You Buy an Upgrade
For a RAM upgrade, find out how much is currently installed, how many slots are free, what memory type your PC supports, and the max it can handle.
For storage, check whether your PC supports SATA SSDs or M.2 drives, what M.2 size fits, whether you can add a second drive, and whether the existing one can be swapped out.
Don’t buy hardware just because it says “compatible with Windows 11” — your specific PC model determines what it can actually support physically and electrically.
14. Which Tool Should You Use?
| What you want to check | Best built-in tool |
|---|---|
| Basic PC specifications | Settings → System → About |
| Installed RAM | Settings → System → About |
| RAM usage | Task Manager |
| CPU model and usage | Task Manager |
| Storage usage | Settings → System → Storage |
| SSD or HDD | Task Manager |
| GPU information | Task Manager |
| Windows version | Settings or winver |
| Detailed hardware information | System Information |
| Graphics/audio diagnostics | DxDiag |
For most people, Settings and Task Manager alone will cover it.
Common Mistakes
Mixing up storage and RAM. RAM is temporary working memory; storage is where everything actually lives long-term. A PC with “16GB RAM + 512GB SSD” is describing two entirely different components.
Assuming more RAM fixes everything. It helps when memory’s the actual bottleneck — if the real limit is your CPU, drive, or software, extra RAM won’t do much.
Buying hardware without checking compatibility. Always confirm your exact PC or motherboard model before purchasing RAM, storage, or other components.
FAQ
How do I check my PC specs on Windows 11?
Settings → System → About shows your processor, installed RAM, system type, Windows edition, and version.
How do I check how much RAM I have?
Settings → System → About for the total installed; Task Manager → Performance → Memory for more detail.
How do I check my CPU?
Settings → System → About, or Task Manager → Performance → CPU for more depth.
How do I check how much storage my PC has?
Settings → System → Storage shows usage and available space.
How do I know if my PC has an SSD?
Task Manager → Performance, select your disk — Windows usually labels it SSD or HDD.
How do I check my graphics card?
Task Manager → Performance → GPU.
How do I find my Windows 11 version?
Press Windows + R, type winver, hit Enter.
Do I need third-party software for any of this?
No — Settings, Task Manager, System Information, and DxDiag cover pretty much everything.
Bottom Line
You don’t need extra software to know what’s inside your PC. Settings → System → About covers the basics, Task Manager → Performance gives you live numbers, Settings → System → Storage handles storage, and System Information or DxDiag are there when you need to go deeper. Knowing your specs makes troubleshooting easier and helps you avoid spending money on an upgrade you didn’t actually need.
Related: How to Fix Windows 11 Running Slow, How to Free Up Storage Space on Windows 11, How to Find Large Files Taking Up Space on Windows 11, How to Stop Apps From Running at Startup in Windows 11, How to Clear Cache in Windows 11