You can install Minecraft Forge for free from the Forge website, and then use it to download and enable mods.

Minecraft Forge is one of the best applications to use if you're interested in Minecraft mods. With dozens of excellent mods to choose from, Minecraft modding allows you to get more biome variety, ...

You can install OptiFine for free by downloading it from the official website, opening the file, and then launching "Minecraft." ...