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How to See System Memory (RAM) Size in Windows 10/7

Computer uses RAM to load data and store information for running programs. If your computer is running slowly, you may want to check if RAM is too little. This guides will show you how to check how much physic RAM you have installed, how much virtual memory it is, as well as how much is it currently being used. This information can be used to determine if a computer need to added more RAM to improve performance.


  • If you just want to see how much RAM is installed on computer, go to option 1.
  • If you want to see the physic memory, virtual memory, and available memory, go to option 2.

Option 1: Show how much RAM is on this Computer


To view the installed memory and the usable memory in Windows 7

Way 1: Click Start, type ram In the Search box, then hit Enter.

Way 2: Click Start , right-click Computer, and then click Properties.

way 3: Use shortcut key: Windows logo+Pause Break to open Windows System.

View the Installed memory (RAM)and usable RAM value under System. This way also applies to Windows 10.

View installed memory

To view the installed RAM in Windows 10

Way 1: via Settings app

Step 1: Open Settings by pressing Win+I, then click on the System icon.

Step 2: Select About on the left side. In the right side, you can see how much the installed RAM is.

the installed RAM in Windows 10 Settings

Way 2: via Task Management

Step 1: Open Task Management in more details view.

Step 2: Click on Performance tab. It'll show how much memory size is, what type of RAM (DDR3) is.

See memory usage

Option 2: To see the detail system memory size in Windows 7/10

With these steps below, you can see how much physic memory it is, how much virtual memory it has, and how much available memory it has. Here's how:

Way 1: Show system memory via System Information tool

Step 1: Press the Win + R keys to open Run dialog, type in msinfo32, and hit Enter.

Run msinfo32

Step 2: In System Summary, you can see the detail information about system memory.

  • Installed RAM
  • Available physical memory
  • Total virtual memory
  • Available virtual memory
  • Page file Space

See virtual memory

Way 2: Check system memory size via command prompt

Step 1: Open Command Prompt on your computer.

In Windows 7, click Start button, type cmd in search box, then hit Enter key.

In Windows 10, press Windows logo key+ X, then hit C key on keyboard.

Open command prompt

Step 2: Type Systeminfo in the command prompt, and press Enter.

Excute Systeminfo command

You will see the information about total physical memory, available physical memory, as well as virtual memory.

Check system memory