Optifine is a truly unique mod, because it is thanks to it that you can increase the FPS in the game and optimize it for weak PCs. This mod is a graphical editor that allows you to edit the distance of visibility, the quality of textures and small details that somehow load the computer during the game.
Mod OptiFine HD (Boost FPS) for Minecraft 1.15/1.14.4/1.12.2
Thus, you can optimize your Minecraft, making it more stable for the game. FPS will grow and play will be much more pleasant. If you had about 30 fps, then after installing the OptiFine HD it will become 50 and higher.
1.15 – preview_OptiFine_1.15_HD_U_F1_pre6
1.14.4 – OptiFine_1.14.4_HD_U_F2
1.12.2 – OptiFine_1.12.2_HD_U_C6