Download the skin آپ want to use as your skin, rename it char. Now go to %appdata%, go to .minecraft and open bin. Open minecraft using a rar file opener (winrar,7zip,etc.) Now, go to mobs and repace the char on the minecraft with your renamed skin. Close everything and open minecraft. آپ now have your skin. Hope آپ enjoy!
آپ can go on Planet Minecraft, go to skins, and تلاش what skin آپ would like, click one then scroll down to find "Download" then click Change My Skin! and then log in, and your skin is there! :D