Find your RAM amount in three clicks

RAM is the working memory your computer uses right now — the more you have, the more programs you can run at once without slowdown. You can find out exactly how much RAM is installed on your machine in under a minute, and the steps differ slightly depending on whether you use Windows or Mac.

You do not need to open your computer or install anything. The information is built into your operating system and takes just a few clicks to see.

Key Takeaways

  • On Windows, right-click "This PC" or "My Computer" on your desktop, select Properties, and look for "Installed RAM" in the System section.
  • On Mac, click the Apple menu in the top-left corner, select "About This Mac", and the memory amount appears in the Overview tab.
  • RAM is measured in gigabytes (GB); most modern computers have between 4 GB and 16 GB, though some have more or less.
  • Knowing your RAM helps you understand whether your computer can handle the programs you use, and whether an upgrade might help with slowness.

Check RAM on Windows 10 and Windows 11

The fastest way is through the System Properties window. Right-click on "This PC" (Windows 10 and 11) or "My Computer" (older Windows versions) on your desktop. If you do not see it on the desktop, open File Explorer, look for it in the left sidebar, and right-click there instead.

Select "Properties" from the menu that appears. A window will open showing your system information. Look for the line that says "Installed RAM" — this is your answer. It will show a number like "8 GB" or "16 GB".

If you want a second way to check, you can also open Task Manager. Press Ctrl + Shift + Esc on your keyboard, click the "Performance" tab, and select "Memory" from the left side. The top number shows your total RAM.

Check RAM on Mac

Click the Apple menu in the very top-left corner of your screen. Select "About This Mac" from the dropdown. A window opens showing your system information.

Look for the line labeled "Memory" — this is your total RAM. It will show something like "8 GB" or "16 GB". You are looking at the Overview tab by default, so you should see it when ready without clicking anything else.

What the numbers mean

RAM is measured in gigabytes, written as GB. A gigabyte is 1,024 megabytes. Most computers sold in the last five years have between 4 GB and 16 GB of RAM. Older computers might have 2 GB or 4 GB. Some newer or high-performance machines have 32 GB or more.

The more RAM you have, the more programs you can run at the same time without your computer slowing down. If you have 4 GB and you open your web browser, email, a document, and a video call all at once, your computer has to work harder and may feel sluggish. With 16 GB, the same tasks run smoothly because there is more working space.

RAM is different from storage (your hard drive or SSD). Storage is where your files live permanently. RAM is temporary working memory that clears when you shut down your computer.

When to check your RAM

Check your RAM if your computer feels slow when you have multiple programs open. If you have 4 GB or less and you regularly use a web browser with many tabs, video calls, and other programs at the same time, an upgrade to 8 GB or 16 GB might help.

You should also check before installing new software. Some programs list their RAM requirements on the box or website — knowing your current amount tells you whether your computer can handle them.

If you are considering buying a used computer or laptop, checking the RAM is one of the first things to do. It is one of the easiest parts to upgrade later, but it is useful to know what you are starting with.

The difference between RAM and storage

RAM and storage are often confused because both are measured in gigabytes. Storage is the space where your files, photos, and programs live permanently — it is your hard drive or SSD. RAM is temporary working memory that your computer uses only while it is running. When you shut down your computer, the RAM clears completely.

Think of storage as your filing cabinet and RAM as your desk. Your filing cabinet holds everything you own (storage). Your desk is where you spread out the files you are actively working on right now (RAM). A bigger desk does not mean you own more files — it just means you can work on more files at once without running out of space.

Frequently Asked Questions

Can I upgrade my RAM myself?

On many desktop computers and some laptops, yes — RAM is one of the easiest upgrades to do yourself. On newer laptops, especially thin models, the RAM is often soldered to the motherboard and cannot be upgraded. Check your computer model online or in your manual to see whether it is upgradeable before you buy new RAM.

What does it mean if my computer shows less RAM than I bought?

This is normal. Your operating system reserves some RAM for itself and for graphics. If you bought 8 GB, you might see 7.8 GB or 7.9 GB available. This is not a problem — the missing amount is being used by Windows or Mac to run smoothly.

Is 8 GB enough RAM?

For most everyday tasks — web browsing, email, documents, video calls — 8 GB is enough. If you regularly edit video, work with large photo libraries, or run many programs at once, 16 GB is more comfortable. For basic use, 8 GB handles most situations without slowdown.

Why is my computer slow if I have plenty of RAM?

Slowness can come from many sources other than RAM: a full hard drive, too many programs running at startup, malware, or an older processor. Check your storage space and look at what programs are running in Task Manager (Windows) or Activity Monitor (Mac) to find the real cause.