How to change icon on a app - Mac

Download a icon you want to use. Open the .png or .jpg file and copy hole picture. ("cmd + A" to select all) Open finder and go to applications folder. "Rightclick" the app you want do change the icon of. Press on "get info". Select the miniature icon in the upper right corner on the window that jumps up. Paste your icon, and your done! Rate, comment and subscribe! :D