WMIC (Windows Management Interface Command) is a command line tool that returns information about the system where it's run. To open a command line shell, at the bottom of the screen, left side of the taskbar, in the Windows search text box, type cmd. To learn your computers model, vendor, and serial number, type the command shown below at the command prompt.
wmic csproduct get name,vendor,identifyingNumber

Perfoming an online search with the name and vendor information provided will return loads of information allowing you to find upgrade, troubleshoot, or repair your computer.
More Windows Administration Information:
• What is Hyper-V in Windows Server 2019?
• Introduction to Windows PowerShell
• Computer Technician's Guide to Safety
• What Are Windows Server Containers?
• How to Configure the msdos.sys file
• What is the difference between MSI and EXE Installations?
• Set the User's Profile Information
• Server Virtualization - What It's All About
• Tweaks to Speed Up Internet Streaming Video
• Microsoft Licensing Explained
