One of the most straightforward ways to enjoy dynamic lighting in Minecraft: Java Edition is to install the Optifine mod.

If players already have Java Edition installed, they simply need to download Optifine for the version of the game they're using (like the recent 1.20.1 update) and run the accompanying .jar file.

To get an OptiFine cape in Minecraft, you need to follow a few steps that involve installing the OptiFine mod, purchasing the cape, and customizing it to your liking.