To install the Catish Language:

   1. Open Minecraft and enter a world
   2. Press "Esc"
   3. Press "Options"
   4. Press "Resource Packs" (It is located next to the "Snooper Settings" and below "Language", above the wide bar labeled "Done".)
   5. Press "Open resource pack folder"
   6. Drag and drop "Catish Language Pack - 1.7 V2.zip" into the Folder
   Now, it should appear as a button. When clicked, it should have an option appear in the Languages menu called "Catish (US)". 
   Thank you for using the Catish Language! Remember to ask your feline if the translations are right for you. Side effects of using the pack may include, but are not limited to, usage of other humans as slaves to do your evil bidding, tormenting the neighbor's canine, scratching the furniture, and in some cases, incessantly demanding treats/food from others.