Mojang's new Minecraft Java 1.21.9 update is out, and players can enhance their experience with OptiFine. This guide details how to safely download and install OptiFine, even if a stable 1.21.9 ...

Since JNLP files are simply Java Web Start files that open applications through an Internet browser, any browser that works in Windows 8.1 will open a JNLP file as long as you have Java installed.