You can view all keyboard shortcuts in the Accessibility settings. Log in to your Zoom desktop client, click your profile picture, then click Settings. CLICK Accessibility. The Accessibility settings and keyboard shortcuts will appear.
Available Keyboard Shortcuts:
F6: Navigate among Zoom popup windows
Ctrl+Alt+Shift: Move focus to Zoom's meeting controls
PageUp: View previous 25 video stream in gallery view
PageDown: View next 25 video stream in gallery view
Alt: Turn on/off the option "always show meeting control toolbar" in accessibility settings
Alt+F1: Switch to active speaker view in video meeting
Alt+F2: Switch to gallery video view in video meeting
Alt+V: Start/stop video
Alt+A: Mute/unmute audio
Alt+M: Mute/unmute audio for everyone except host (note: for the meeting host only)
Alt+S: Launch share screen window and stop screen share (note: will only work when meeting control toolbar has focus)
Alt+Shift+S: Start/stop new screen share (note: will only work when meeting control toolbar has focus)
Alt+T: Pause or resume screen share (note: will only work when meeting control toolbar has focus)
Alt+R: Start local recording
Alt+C: Start cloud recording
Alt+P: Pause or resume recording
Alt+N: Switch camera
Alt+F: Enter or exit full screen
Alt+H: Display/hide in-meeting chat panel
Alt+U: Display/hide participants panel
Alt+I: Open invite window
Alt+Y: Raise hand