First, double check you have done the steps below:
Please: Unzipping while in the Japanese system locale. Go to: Time & language -> Language & region -> Administratie language settings -> Change system locale -> Japanese (Japan) -> restart
Then unzip the folder and Finished!
Repeat the language locale to change back to English, then enjoy.
We have tested and found no problem, so it might be specific to your hardware setup. If you still find an issue, please share your operating system version, the cpu, gpu, and ram of your PC.