Download and install VS Code from here

Download Python from here

Before installing check the Add Python to PATH

Open terminal and check if you have Python 3 installed.

$ python3 --version

If you don't have Python 3 installed then run the following command.

$ sudo apt install python3

Wether you already had Python installed or not, you need to run the following command.

$ sudo apt install python3-distutils

1. Click on the Extensions icon or press Ctrl+Shift+X to open the extensions tab
2. Search for “PlatformIO IDE”
3. Select the first option
4. Click the Install button

After installing make sure the extension is enabled.

After that, the PlatformIO icon should show up on the left sidebar as well as an Home icon that redirects you to PlatformIO home.