My copy of Delphi 7 has these really helpful colour coding sections to show where if
statements and loops begin and end, etc...
What are these called, and how do I turn them on in other copies of Delphi 7 which don't have them displayed? Or, do I need to install something?
That is definitely NOT something that is built-in to Delphi 7's code editor. There are 3rd party plugins for doing things like that. Castalia, cnPack, etc, just to name a couple. Check your IDE to see what particular packages are installed.