Open Task Manager
Click the Performance tab
Select Memory
Check total RAM, speed, and usage
Open System Information
Search for and open System Information
Check Installed Physical Memory and Total Physical Memory
Open Settings
Go to System
Open About
Check Installed RAM
Use Command Prompt
Type `wmic memorychip get capacity`
Press Enter
Review the listed RAM module sizes
Use Command Prompt
Type `systeminfo`
Press Enter
Check Total Physical Memory
Use BIOS or UEFI
Restart the computer
Enter BIOS or UEFI setup
Check the memory information
On Mac
Click the Apple menu
Select About This Mac
Check Memory
On Linux
Open Terminal
Type `free -h`
Press Enter
Check total memory
On Linux
Type `cat /proc/meminfo`
Press Enter
Check MemTotal