In macOS the function keys on your keyboard (F1, F2, F3 and so on) control functions like activating Dashboard and Mission Control, adjusting screen brightness, and controlling the volume.
Enable or disable actions that can be performed by pressing key combinations.Choose Application Shortcuts on the Shortcuts tab.To customize which actions can be performed by pressing key combinations, do the following: However, if you deselect this key combination, the shortcut will not work. For example, you can open an existing virtual machine either by clicking File > Open or by pressing Command + O. You can perform various actions in Parallels Desktop either by choosing menu items from the corresponding menus or by pressing key combinations. To open these preferences, choose Parallels Desktop > Preferences, then click Shortcuts. Use Shortcuts Preferences to customize keyboard shortcuts, create keyboard profiles for multiple operating systems, enable or disable macOS system shortcuts, and more. Shortcuts Preferences Shortcuts Preferences