Frames per second (FPS) is a measure of how smoothly a video game is running. It is important to know how to show FPS in Minecraft because it can help you identify and fix performance issues. There are a few different ways to show FPS in Minecraft, and the method you choose will depend on your operating system and the version of Minecraft you are playing.
On Windows, you can show FPS by pressing F3. This will open the debug screen, which will display a variety of information about your system and the game. The FPS will be displayed in the top-right corner of the screen.