Choose your Platform: full shortcut list + printable PDF
macOS Uses Command (⌘) as the primary modifier, with Option covering field-placement shortcuts and a few resize/window actions. Several actions use different keys from Windows entirely, not just a modifier swap, worksheet cycling, help, and revert among them.
Windows Uses Ctrl as the primary modifier, with Alt covering field-placement shortcuts. Function keys (F5, F9, F10, F12) handle several data and file actions that use different bindings on Mac.