You can check your memory's manufacturer in Windows 10 using the Command Prompt, Powershell, or a third-party tool. 1. Launch the "Command Prompt," type "wmic memorychip get manufacturer" without quotes, and press "Enter." 2. Alternatively, launch "Powershell," type "Get-WmiObject win32_physicalmemory | select manufacturer" without quotes, and then press "Enter." 3. For third-party tools, search for one or use "CPU-Z" and click the "SPD" tab.