Python is our programming language of choice. It's easy to pick up for beginners compared to certain harder languages (cough C). Everybody knows that new and shiny things are better, so we'll install the latest version of Python - 3.8 at the time of writing.
Programming languages change and get new features, hence why there are new versions. Python 3 is the latest major version of Python, and it's much better in many regards than the older (now depreciated) version, Python 2.
If you're too lazy to Google "Python download", try this link (click the big yellow "Download Python 3.8.3" button):
In the installer, make sure that you have TICKED "Add Python 3.8 to PATH". We'll (probably) learn about the PATH in the future, but this is an important check box to tick. Tick it. Then click "Install Now".
<aside> ⚠️ I already have a version of Python installed on my computer (3.7.4). I can't be bothered installing the latest one. If you see a "Python 3.7.4" in the future on my screenshots but not on yours, don't worry.
</aside>
MAKE SURE YOU'VE TICKED "ADD PYTHON 3.8 TO PATH". IF YOU HAVEN'T, REINSTALL.
If you get a message asking you to "Disable path length limit", feel free to press it if you wish. It won't make much of a difference to anything, but it can't do much harm either.