To see what settings affect how fast minecraft runs hover over the setting and it will say if the setting makes your minecraft slow or will it make it go fast. 5/last step) open your settings and go into your video settings and change the settings. Drag and drop the optifine folder in the mods folder and then open minecraft or tekkit. Open that and look for a folder called mods, for tekkit you have to open the modpacks folder then open tekkit and look for the mods folder. 4) Let it load and when it’s done open the windows button and type in %appdata% then press enter(if you have mac go on youtube and look for how to open %appdata% on mac page will show up) look for the. Click install Client, before you install make sure you don’t touch the 3 dots next to the text. 3) It will give you options when you open forge. Get the newest version of Minecraft Forge and drag and run it on your desktop. F.Y.I if your trying to make your Tekkit run Faster skip the 3rd step and go to the 4th step. This blog was made on 7/31/14 there be new updates. 2) If you don’t already have Minecraft Forge click this link.
For tekkit it is usually 1.6.4 and for the newest update of minecraft which would be 1.7.10. (1 Install Optifine for whatever version of minecraft you run.