There are three ways in which this VSCode extension can be installed.
By navigating to the marketplace
Simply navigate to the following URL and click the green Install button.
Directly through VSCode
Open VSCode and click on the Extensions section. In the search box, search for Cake.Recipe. Click on the search result, ensuring that the publisher is Gary Eway Park and then click the Install button.
Via Chocolatey
If you have Chocolatey, the Windows Package Manager, installed you can simply type:
choco install cakerecipe-vscode
This will ensure that both VSCode, and the Cake.Recipe extension, are installed.