1. Go to the Download Center: https://zoom.us/download
> Under “Zoom Client for Meetings”
> Click Download
2. Click Allow
3. Double Click the Zoom.pkg (Package Installer)
4. Click Continue
5. Click Install
6. Authenticate using Touch ID or your Mac Password
7. Done > Click Close
8. Click Move Temporary Installer to Bin
9. Congratulations
> All Done
Related Procedure:
How to Uninstall Zoom on Mac, please refer to this Guide