powershell persist environment variable code example

Example 1: powershell set environment variable

# Windows PowerShell
PS C:\> $env:VAR_NAME="VALUE"

Example 2: powershell add to env path

$env:Path = "SomeRandomPath";             (replaces existing path) 
$env:Path += ";SomeRandomPath"            (appends to existing path)

Example 3: how to get environment variables in powershell

#Windows Powershell
cd Env:
Get-ChildItem