add environment variable windows powershell code example

Example 1: powershell set environment variable

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

Example 2: how to get environment variables in powershell

#Windows Powershell
cd Env:
Get-ChildItem

Example 3: powershell environment variables set

$Env:<variable-name> = "<new-value>"

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