

Unlike the previous versions of Windows, when your press F4 in Windows 10 it will not take your game full screen.

How to make Undertale full screen on Windows 10? This happens most often with laptops because a laptop typically has a smaller keyboard than a desktop computer, which means less space for keys.Īs a result, that row of function keys serve a variety of purposes and to use them as traditional function keys you have to first press the FN key. Why do I have to press FN with my F4 key? Luckily, there is the easy fix mentioned above. While the game developers have not officially acknowledge this as a bug that needs fixed in Undertale, players can agree that it is a bug that affects game play. Here’s the answers to some common questions related to this. One of those methods should be all you need to take your game from Undertale from bite-sized to full-sized on your laptop or computer screen.

Of course, F4 typically works by itself on a Mac. Since Mac computers don’t have ALT keys, you have to use the CTRL, or control, key instead.
