Download the latest version of the Dolphin Emulator.
If you're looking to install WWE 13 on Wii with a highly compressed install, here are some speculative system requirements: wwe 13 wii highly compressed install
Even though the game was released in 2012, playing it on the Dolphin Emulator on a modern PC offers superior graphics compared to the original Wii hardware. Download the latest version of the Dolphin Emulator