Where to find your computer's specifications
Your computer's specifications—the processor, memory, storage, and graphics card—are stored in your system settings, and you can see them without opening the machine or installing anything. The fastest way depends on whether you use Windows, Mac, or Linux, but all three let you view this information in under a minute.
On a Windows computer, right-click the Start button, select "System", and you'll see your processor, RAM, and Windows version on one screen. On a Mac, click the Apple menu in the top-left corner, select "About This Mac", and the same core information appears. On Linux, open a terminal and type lsb_release -a for the operating system version, or cat /proc/cpuinfo for processor details.
Key Takeaways
- Windows users can find processor, RAM, and storage in Settings > System, and Mac users can find the same in Apple menu > About This Mac.
- Your graphics card information lives in Device Manager (Windows) or System Report (Mac), not in the main system settings.
- Storage capacity and how much space you're actually using are two different numbers—check both before deciding whether to upgrade or delete files.
- If you bought your computer used or inherited it, the label on the bottom or back often lists the original model number, which you can search online to find the exact specs.
Finding processor and RAM in Windows
Open the Start menu, right-click anywhere in the menu, and select "System". You'll see a window titled "About your PC" with the processor name and speed listed under "Device specifications". The RAM appears as "Installed RAM" on the same screen. Write down both numbers exactly as they appear—for example, "Intel Core i7-12700K" and "16 GB"—because these are the terms you'll need if you ever search for compatible upgrades or software requirements.
If you don't see a right-click option, you can also reach System by typing "system information" into the Windows search box at the bottom-left of your screen. The window that opens shows the same processor and RAM information under "System Summary".
Finding processor and RAM on a Mac
Click the Apple menu in the top-left corner of your screen and select "About This Mac". A window appears showing your processor (listed as "Chip" on newer Macs or "Processor" on older ones), the amount of RAM under "Memory", and your macOS version. If you have an older Mac with an Intel processor, the window also shows the processor speed in GHz—for example, "2.4 GHz Intel Core i5".
The information here is usually all you need for basic troubleshooting or checking whether software will run on your machine. If you need more detailed information about your graphics card or storage, click "System Report" at the bottom of the same window.
Checking your graphics card and video memory
On Windows, open Device Manager by typing "device manager" into the search box at the bottom-left of your screen. Look for "Display adapters" in the list, click the arrow next to it, and you'll see your graphics card name. If you see "Intel UHD Graphics" or "AMD Radeon", your graphics are built into your processor rather than a separate card. If you see "NVIDIA GeForce" or "AMD Radeon RX", you have a dedicated graphics card.
On a Mac, click the Apple menu, select "About This Mac", then click "System Report". In the window that opens, click "Graphics/Displays" in the left sidebar. You'll see the name of your graphics processor and how much video memory it has. Most Macs use integrated graphics built into the processor, so you won't see a separate graphics card listed.
Understanding storage capacity versus available space
Your computer's storage capacity—usually 256 GB, 512 GB, or 1 TB—is the total amount of space on your hard drive or solid-state drive. Available space is how much of that you can still use. On Windows, open File Explorer, right-click "This PC" in the left sidebar, and select "Properties". You'll see a bar showing how much space is used and how much is free. On a Mac, click the Apple menu, select "About This Mac", then click "Storage". A colored bar shows your total capacity and how much each category (photos, applications, documents) is using.
If your available space is below 10% of your total capacity, your computer will slow down noticeably. You can free up space by deleting old files, uninstalling programs you don't use, or moving photos and videos to an external drive.
Finding the model number and original specifications
If you bought your computer used or don't remember what you ordered, the model number is usually printed on a label on the bottom (laptops) or back (desktops). On Windows, you can also find it by typing "system information" into the search box and looking for "System Model" in the window that opens. On a Mac, the model identifier appears in "About This Mac" under "Model Identifier"—for example, "MacBookPro18,1".
Once you have the model number, search for it online along with the word "specifications". The manufacturer's website or product pages on retailers will show you the exact processor, RAM, and storage that came with that model. This is useful if you want to know whether your computer came with upgrades or if you're trying to find compatible replacement parts.
What to do if you can't find the information you're looking for
If your computer is very old or was heavily customized, some of this information might not appear in the standard locations. Try searching for your model number on the manufacturer's support website—Dell, HP, Lenovo, Apple, and Asus all have searchable databases where you can enter your model and see the original specifications.
If you need to know whether specific software will run on your computer, check the software's system requirements page. It will list the minimum processor, RAM, and storage space needed. Compare those numbers to what you found in your system settings. If your computer meets or exceeds all the minimums, the software should work.
Frequently Asked Questions
What does "GHz" mean when I see it next to my processor?
GHz stands for gigahertz and measures how fast your processor runs. A processor listed as "3.6 GHz" completes 3.6 billion operations per second. Higher GHz generally means faster performance, but the processor model itself matters more—a newer processor at 3.0 GHz often outperforms an older one at 3.6 GHz.
Is 8 GB of RAM enough, or do I need 16 GB?
Eight GB is enough for web browsing, email, and office work. Sixteen GB is better if you edit photos or video, run virtual machines, or keep many browser tabs open. Thirty-two GB or more is mainly for professional work like 3D rendering or software development. Your actual needs depend on what you do most often.
What's the difference between a solid-state drive and a hard drive?
A solid-state drive (SSD) has no moving parts and is much faster—your computer boots and opens programs noticeably quicker. A hard drive (HDD) uses spinning platters and is slower but usually cheaper per gigabyte. Most new computers come with SSDs. You can check which you have by searching "disk type" in Windows settings or looking in "Storage" on a Mac.
Can I upgrade my processor or RAM myself?
RAM can usually be upgraded on desktop computers and some laptops—you can watch a video for your specific model and do it yourself in ten minutes. Processors are soldered directly onto the motherboard in most modern computers and cannot be upgraded. If you need more power, you'll need a new computer.
Why does my computer show less storage space than I paid for?
The operating system (Windows or macOS) takes up space on your drive—usually 20 to 30 GB. Additionally, manufacturers measure storage in decimal (1 TB = 1 trillion bytes), but computers measure it in binary (1 TB = 1.099 trillion bytes), so a "1 TB" drive shows as about 930 GB in your system settings. Both are normal and not a defect.