For Minecraft 1.8.9, is the most comprehensive FPS boost tool available. It fixes hundreds of bugs in the base game that cause lag.
Ensure you are using the latest version of 64-bit Java to allow the mod to use more RAM. 189 fps boost mod link
Search for "Sk1er Patcher" or visit the official Sk1er.club website. 2. OptiFine For Minecraft 1
If a "189 FPS Boost Mod Link" asks you to disable your antivirus or run a file as an Administrator, True performance mods are typically .jar files (for Java games) or configuration .ini files that do not require administrative privileges to function. For Minecraft 1.8.9