Patch is in xdelta format and has been tested with the following utilities :
 * Delta Patcher - https://www.romhacking.net/utilities/704/
 * Web Patcher   - https://hack64.net/tools/patcher.php
 
This disc image from the Redump set is required :
 https://redump.info/disc/41472

The following instructions are for Delta Patcher but the same general process applies to all patch utilities :
 1. Open Delta Patcher and click the folder icon next to the "Original file" box.
 2. Browse to the disc image folder.
 3. Select "Teitoku no Ketsudan III with Power-Up Kit (Japan) (Track 1).bin"
 4. Click the folder icon next to the "XDelta patch" box.
 5. Browse to the patch folder.
 6. Select "Patch.xdelta"
 7. Click the "Apply patch" button.
 8. "Patch successfully applied!" prompt should appear. If not, repeat the process and make sure that you are patching the correct disc image.
 9. The patch has now been applied and is ready to play!