Set Up Python (Don’t Overthink It)

The problem...

At some point, you need to run code on your own machine.

This is where many beginners get stuck. Different systems. Different versions. Weird instructions.

It starts to feel harder than it should be.

The idea!

You don't need a perfect setup. You just need something that works.

That's it.

Making it real

Three steps. That's all.

Install Python. Write a file. Run it.

How to open a terminal

• Windows — press Win + R, type cmd, hit Enter
• macOS — press Cmd + Space, type Terminal, hit Enter
• Linux — press Ctrl + Alt + T

Step 1 — Install Python

Go to 👉 python.org and download the latest version.

Windows

• Run the installer
• Check this box: ✅ Add Python to PATH
• Click Install

macOS

Open Terminal and type:

python3 --version

If you see a version → you're good. If not, install from python.org.

Linux

Open Terminal and type:

python3 --version

If nothing shows:

sudo apt install python3

Step 2 — Write your first file

Create a file called hello.py. Inside it:

print("Hello")

Step 3 — Run it

Open a terminal in the folder where you saved the file. Then run:

python hello.py

or:

python3 hello.py

If you see:

Hello

It works.

If it doesn't work

You're probably not in the same folder as the file.

• Open the folder where hello.py is
• Right-click → open terminal there
• Run the command again

Heads up!

• You might see both python and python3 — both are normal, if one doesn't work try the other
• The ✅ Add Python to PATH step on Windows is not optional — skip it and nothing works
• Don't spend time finding the "perfect" setup — if it runs, it's good enough

The mindset shift

Stop thinking: "I need to set everything up perfectly."

Start thinking: "I just need Python to run."

What you should understand now

• You don't need a perfect setup
• Python just needs to run
• python vs python3 is normal
• If it works, you're good