How to Work with PowerShell — A Complete Guide for Beginners

🧠 If you ever opened a black window with incomprehensible inscriptions and closed it with the words "oh, better not to touch" — congratulations, it was PowerShell. Today you will learn how to use it wisely and without fear. It will be simple, fun and with memes. Let's go!

What is PowerShell and why do you need it?

PowerShell is a powerful tool from Microsoft for automating tasks and managing the system. Imagine that it's like Google Docs, only for a programmer: everything is under control, everything is automated.

🤔 Why not just Explorer?

PowerShell can be especially useful if you:

• Working with a large number of files

• You often perform the same actions (for example, copying/archiving)

• Do you want to set up the system once and forget about the routine forever?

👀 PowerShell is like a superpower for your computer. Only instead of the web, there are commands.

How to open PowerShell 🔓

1. Click Win + R

2. Write powershell

3. Press Enter

And you're in business! (Yes, it's that simple. Don't be afraid!)

And if you want to run PowerShell as an administrator:

• Find PowerShell through Windows search

• Right-click and select "Run as administrator"

🧙‍♂️ Admin mode opens up even more possibilities (for example, managing services and program settings).

First command: Get-Help

Get-Help

This command is your new best friend. It will tell you what any other command does.

Get-Help Get-Process

If you want to see examples of use:

Get-Help Get-Process -Examples

🧑‍🏫 Joke of the day: PowerShell is like Stack Overflow, only you help yourself.

Useful commands for a beginner 🛠️

Examples: how to make magic ✨

View all files in the folder:

Get-ChildItem C:\Users\Public

Go to folder:

Set-Location C:\Users\Public

Create a text file:

New-Item -Path . -Name "example.txt" -ItemType "File"

Delete file:

Remove-Item .\example.txt

Rename file:

Rename-Item -Path "old.txt" -NewName "new.txt"

Copy file:

Copy-Item -Path "example.txt" -Destination "backup_example.txt"

Move file:

Move-Item -Path "backup_example.txt" -Destination "C:\Backup"

🤓 Pssst... So you can even automate cleaning on your desktop.

How to write a script 💻

PowerShell scripts are just files with the extension .ps1. You can open Notepad, write commands, save as script.ps1, and then run it.

# Example: a script that creates 3 folders
New-Item -Path . -Name "Project1" -ItemType "Directory"
New-Item -Path . -Name "Project2" -ItemType "Directory"
New-Item -Path . -Name "Project3" -ItemType "Directory"

To start:

.\script.ps1

💡 To make the scripts work, sometimes you need to change the execution policy:

Set-ExecutionPolicy RemoteSigned

Select Y (Yes) and Enter — you're done!

🙈 Joke of the day: PowerShell scripts are like pasta: if you do it right, it tastes good. If not, everything will stick together.

How to automate daily tasks 🤖

Here are some ideas of what you can automate with PowerShell:

🔄 File backup

Copy-Item "C:\Work\*" "D:\Backup\" -Recurse

📅 Creating a daily log

$today = Get-Date -Format "yyyy-MM-dd"
New-Item -Path . -Name "log_$today.txt" -ItemType "File"

🧹 Cleaning the "Downloads" folder from old files:

Get-ChildItem "C:\Users\User\Downloads" | Where-Object { $_.LastWriteTime -lt (Get-Date).AddDays(-30) } | Remove-Item

🧼 Automatic cleaning is now a reality!

What's next?

If you like PowerShell (and you will!), then here's where to go next:

• Learn to write more complex scripts

• Manage remote computers

• Automate daily tasks (backups, reports, etc.)

• Use PowerShell with Windows Task Scheduler

• Work with JSON, CSV, and Excel files through PowerShell

And if you want to learn not only PowerShell, but also other programming languages, try Code! This is a convenient and fun application for learning Python, JavaScript and other languages even from scratch 🧑‍💻📱