Windows:
1. Copy your original ROM file into this folder. The file should be named "Ultima - Exodus (U) [!].nes" or "Ultima - Exodus (U).nes".
2. Double click the 3.Apply Patch-Windows.bat file, a CMD window will open and will start patching automatically.
3. Once patching is complete, you will find a file named "Ultima - Exodus Remastered.nes" in this folder.
4. Enjoy.

Linux:
1. Copy your original ROM file into this folder. The file should be named "Ultima - Exodus (U) [!].nes" or "Ultima - Exodus (U).nes".
2. In terminal, type: sh "3.Apply Patch-Linux.sh". Patching should start automatically.
3. Alternatively, if you're using a GUI, double click 3.Apply Patch-Linux.sh and a terminal window should appear.
4. Once patching is complete, you will find a file named "Ultima - Exodus Remastered.nes" in this folder.
5. Enjoy.

Mac:
1. Copy your original ROM file into this folder. The file should be named "Ultima - Exodus (U) [!].nes" or "Ultima - Exodus (U).nes".
2. In terminal, type: "3.Apply Patch-Mac.command". Patching should start automatically.
3. Alternatively, if you're using a GUI, double click 3.Apply Patch-Mac.command and a terminal window should appear.
4. Once patching is complete, you will find a file named "Ultima - Exodus Remastered.nes" in this folder.
5. Enjoy.

Android:
There are several Android apps that can apply an XDelta3 patch.
For example UniPatcher: https://play.google.com/store/apps/details?id=org.emunix.unipatcher
If you intend to use the alternative fonts, please apply "Ultima - Exodus Remastered Patch.vcdiff" first, and then patch the resulting file using "altfonts.vcdiff".

Alternatively, you can use Marc Robledo's online patcher:
https://www.romhacking.net/patch/
Or:
https://www.marcrobledo.com/RomPatcher.js/