Windows System Information

systeminfo # detailed system information
hostname # computer name
ver # Windows version
winver # Windows version (GUI)

wmic cpu get name # CPU information
wmic memorychip get capacity # RAM information
wmic diskdrive get model,size # disk information

Get-ComputerInfo # complete system info
Get-WmiObject Win32_Processor # CPU info
Get-WmiObject Win32_LogicalDisk # disk info

date /t # current date
time /t # current time
Get-Date # date and time (PowerShell)

set # show environment variables
echo %PATH% # show PATH variable
$env:PATH # show PATH (PowerShell)