SystemInfo
command line:
systeminfo.exe
You can echo the output to a text file to view in notepad
systeminfo.exe > "%userprofile%/documents/systeminfo.txt"
Systeminfo.exe is a great tool console based tool. Systeminfo.exe is a command-line utility that displays information about your Windows version, BIOS, processor, memory, network configuration, and so on. The output is DOS text.
System Information / MSInfo Utility
If you prefer something with a GUI (Graphical User Interface) you can use msinfo32.
command line:
msinfo32.exe
Use this tool to gather information about your computer, to diagnose issues with your computer, or to access other tools. This command opens a GUI applet. It can be run directly from START, RUN. It provides mostly the same information as systeminfo.