You can make joining via the web an option. No app install required. Details at https://support.zoom.us/hc/en-us/articles/115005666383-Show-a-Join-from-your-bro

You can make joining via the web an option. No app install required. Details at https://support.zoom.us/hc/en-us/articles/115005666383-Show-a-Join-from-your-browser-Link https://support.zoom.us/hc/en-us/articles/115005666383-Show-... Note, works best in Chrome (likely Chromium) based on what the docs say.