Depending on your operating system it is: If nothing happens, you need to find the folder manually.
If you already have Minecraft running, make sure you save and quit the world: you need to be in the main menu to continue (If you have Optifine, you can go to Options > Video Settings while in-game). For in-depth instructions on obtaining the files to make your own custom texture pack go to Tutorials/Custom Texture Packs.
If you created your own textures, you need to ZIP them. 1.Download a texture pack in a ZIP file format, do not unzip.
How to install Assassins Creed Resouece Pack for Minecraft
