Please follow these steps:
1. Enter the “TUNNEL ESCAPE 0.25.3a special EN Patch” folder.
2. You will see “TUNNEL ESCAPE.exe”, “Readme.txt”, and a “fonts” folder. Select all of them (you can press Ctrl+A).
3. Press Ctrl+C to copy them.
4. Go to the “TUNNEL ESCAPE 0.25.3a special JP” folder.
5. Press Ctrl+V to paste the files you just copied.
6. Windows will ask if you want to merge folders or overwrite files. Select "Yes"/"Overwrite" for all.
7. Wait for the paste process to complete, and then you can run TUNNEL ESCAPE.exe to play the English version of the game.