Open Task Manager with Ctrl + Shift + Esc
Go to the Performance tab
Click Memory
Check the RAM details shown there
Open Command Prompt
Type `wmic memorychip get manufacturer, partnumber, speed`
Press Enter
Open PowerShell
Type `Get-CimInstance Win32_PhysicalMemory | Select-Object Manufacturer, PartNumber, Speed`
Press Enter
Use the System Information app
Press Win + R
Type `msinfo32`
Press Enter
Check installed RAM details in the system report
Use a third-party tool like CPU-Z
Open the SPD tab
Check the RAM manufacturer and part number
Open the PC or laptop case
Read the label on the RAM stick
Check the RAM packaging or purchase receipt
Look up the part number online to identify the brand