Applying official game updates and DLCs to a .wux file is highly difficult. Cemu expects updates and DLCs to be in the extracted folder format.
For 99% of users, the WUX file is the best choice for BOTW on Cemu. It saves space, loads quickly, and integrates seamlessly with modern emulator features.
A .wux file is a compressed Wii U disk image. It is the compressed version of a .wud file, which represents a raw, uncompressed dump of a physical Wii U game disc.
Navigate to the directory where your BOTW .wux file is saved. Select the file and click .
Below are step-by-step instructions covering each stage in practical detail. botw wux file
Your keys.txt file is either missing, incorrectly formatted, or lacks the precise disc key for your game's specific region (USA, EUR, or JPN).
To produce a "full piece" (a complete, playable game) from a The Legend of Zelda: Breath of the Wild (BotW)
: Open (or create) a file named keys.txt and add the "Common Key" for the Wii U and the specific title key for BotW.
You're referring to the "BOTW WUX file"! Applying official game updates and DLCs to a
Retail Wii U game discs contain a massive amount of data, often filling up a standard 25 GB storage layer regardless of how much data the actual game requires. A .wud file is a raw, 1:1 copy of that disc, meaning it takes up the full 25 GB on your hard drive. Because BOTW does not require the entire 25 GB of physical disc space, developers created the .wux format to strip away the empty dummy data, drastically reducing the file size for easier storage and sharing. .WUX vs. .WUD vs. Loadiine (RPX/SPL)
Ensure you have downloaded the latest version of the Cemu emulator from the official website and extracted it to a dedicated folder on your PC. Step 2: Acquire the Keys
Place your keys.txt file and your BotW .wux file into the same folder as JWUDTool.
Look for a file named keys.txt . If it does not exist, right-click inside the folder, select , and name it keys.txt . It saves space, loads quickly, and integrates seamlessly
For modders, it is often safer to keep a clean, unmodified WUX file as a backup. If a mod breaks your game, you can simply decompress the WUX or restore the files from that single clean image rather than having to redownload the entire game.
A base BotW .wux file (version 1.0.0) often or will get stuck on the title screen without the latest game updates.
: Use tools like WiiUDownloader or Wii USB Helper to acquire the latest update (v208) and DLC (v80).