I advise you to install thematic resource pack in order to get a proper experience from the map.
If you want your character to look like Link, you will need to install the skin, which is also included into the article.
How to install maps:
- Download .mcworld file below
- Open file using any file manager to import it into Minecraft PE
- Open Minecraft Pocket Edition and look for the map among your worlds
- In order to install Resource pack, import it into the game and apply in the world settings
Download Link skin