Outdated versions may have UI bugs. Update to the latest version from within Nitro (Help → Check for Updates) or from the official website.
Press Ctrl + F8 to toggle the Ribbon (menu bar) on/off in newer versions of Nitro Pro. nitro pro menu bar missing
If nothing works, go to Control Panel > Programs and Features , select Nitro Pro, and choose Repair . Still missing? Uninstall and reinstall the latest version from your Nitro account. Outdated versions may have UI bugs
Close the application completely, then reopen it. Sometimes the interface just glitches. go to Control Panel >
If all else fails, contact Nitro Support — they’re usually quick to respond.