What do I need to install on my VScode for html
It's an editor where you will be able to code, link and import various things. (Not precise, read this article) https://en.m.wikipedia.org/wiki/Visual_Studio_Code#:~:text=Visual%20Studio%20Code%20is%20a,code%20refactoring%2C%20and%20embedded%20Git.
Recommended extension: Live Server. Whenever you make a change in the editor and save, this plugin will automatically refresh the page in the browser window, so you can see the result instantly. It will save you a lot of clicking and button pressing on the long term. https://www.freecodecamp.org/news/vscode-live-server-auto-refresh-browser/