Macros work on PCs and Macs. If you have an affordable Chromebook, use Google Sheets and create similar programs using Google Apps Script. What are Excel macros?

A typical SendKeys macro will only use Windows Script Host methods. In other words, it won’t necessarily include any statements from any scripting languages such as VBScript or Jscript.

What you need is a Zoom teleprompter. This free and easy to use App called Prompt+ will allow you to read a script whilst using a teleprompter to keep eye contact in Zoom.