Install Install the app and choose 64-bitand choose [x] for Zoom auto-update feature. . When its completed, sign into zoom using SSO and click the settings icon at the top right, under General make sure that auto update is enabled.
Additional Info:
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All future updates will be promoted to you because you have the auto-update zoom app option enabled.
Here is an example of the update prompt that appears whenever an update is required as a result of auto-update option: