How to install Minecrack + Optifine (EC Client) on Minecraft 1.6+

How to have skins on Cracked Minecraft
Link: http://www.mediafire.com/download/2vn3eqslu6eb9sd/1.6.2.EC.zip

Cracked Launcher: http://minecrack.fr.nf/mc/patchs/minecrack-launcher-latest.jar

http://youtu.be/bfMBEFDJBj8