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:
• Microsoft Licensing Explained
• Windows 10 Diagnostic Data Send to Microsoft
• Basic Functions of Microsoft Active Directory
• PowerShell Script to Show Last 5 Errors in Event Log
• Choosing a Tape Drive
• A Handful of Useful Run Commands: calc, notepad, wordpad, voice recorder, control
• How to Configure the msdos.sys file
• Make a Shortcut to Create a Restore Point on Windows 10
• Disable Indexing to Speed Up Your Computer
• How to Setup DHCP (Dynamic Host Configuration Protocol) on a Windows Server
