Optifine is a mod that adds more graphic options to the Minecraft game, thanks to the way you configure your graphic options, to have better performance in the game improving the FPS, so that you will not jerk the game if you have an old PC.
It also has support for installing high-resolution textures in HD, so you do not get any errors when you install Textures Pack HD

How to download and install Optifine for Minecraft 1.8.9

1- Download and install in the following link: Minecraft Forge 1.8.9
2- Download Optifine 1.8.9
3-Go to the Windows Start button, then Run (if not, press ‘Windows’ + ‘R’) and type %appdata%
4- Open the .minecraft folder and then the mods folder
5- Add the downloaded Optifine file inside the mods folder
6- You will already have installed the Optifine 1.8.9

Forge 1.8.9 For Mac

1. Made this video after receiving many requests on my original Forge 1.8 Mac video. Many people were confused about how the new Forge website works. Delete minecraft.jar. Step 8: Right click minecraft-1 and click Get Info. Rename minecraft-1 to minecraft.jar Step 8: Next you must go back to the forge folder and copy EVERYTHING.
2. 3) Next, double click the Forge Installer icon to launch it. 5) Be sure to have 'Install Client' selected from the options in the forge window. The MC directory shown should be the one you use, but if it isn't you will need to find your directory and select it in the forge window.

Minecraft 1.8.9 Forge

Downloads for Minecraft Forge - MC 1.8. Download Latest 1.8 - 11.14.4.1577. Windows Installer. Download Recommended 1.8 - 11.14.4.1563. Windows Installer. Note that the downloads in the list below are for getting a specific version of Forge. Troubleshooting Missing Data Analysis Toolpak In Excel 2011 For Mac Fiery X3ety Drivers For Mac Su Podium For Mac Athena Asedrive V3 Drivers For Mac Utilizar Referencias Relativas Macro Excel Para Mac Forge For Mac 1.8.9 Free Manycam For Mac Epo.bin Update Impossible On Fenix With Garmin Express For Mac.