🌍 Environment Variables

Environment variables store system-wide and user-specific configuration.

---

🔧 Viewing Variables

Get-ChildItem Env:

---

🔧 Setting Variables

setx PATH "$env:PATH;C:\Tools"
setx APP_ENV "production"

---

📂 Common Variables

• %PATH%
• %TEMP%
• %USERPROFILE%
• %PROGRAMFILES%

---

🧩 GUI

System → Advanced System Settings → Environment Variables