PowerShell Essentials

A short collection of useful PowerShell snippets for quick inventory, maintenance, and simple automation on Windows. Ideal for users who want to understand the basics and safely apply them in daily tasks.

Step 01

Gather system info

List device model, BIOS, and installed apps in a single command — great for quick hardware and software reports.

Step 02

Automate maintenance

Wrap cleanup or update commands with verbose output and error handling so they can be reused or shared safely.

Starter bundle

Works on PowerShell 5.1 and 7+.
No additional modules required.
Outputs to both console and CSV.

# powershell-essentials.ps1
$inventory = Get-CimInstance Win32_ComputerSystem, Win32_BIOS
$apps = Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* |
        Select-Object DisplayName, DisplayVersion
$report = [pscustomobject]@{
    System = $inventory.Name
    BIOS = $inventory.Manufacturer + ' ' + $inventory.Version
    AppCount = $apps.Count
}
$report | Tee-Object -FilePath "$env:USERPROFILE\Desktop\inventory.csv" | Format-List