Mac app Note: Images, videos and some instructions on this page may not be accurate. Please bear with us as we update the Docs for Sketch’s new UI. On this page In this section Why do I need to update Sketch for macOS Tahoe? Why can’t I update the Mac App? Can my network connection settings affect Sketch? What is Safe Mode and how do I enable it? Why can’t I login to the Mac app? I’m connected to the internet but I can’t register my Mac-only license Why are my custom keyboard shortcuts not working? Why is the Mac app slow? How to roll back to a previous Mac app version? Why is the Mac app crashing? Try these solutions