How do I change my computer to Japanese Encoding? If you use Windows 10: 1. Go to the Control Panel 2. Click on Region 3. Click on the Administrative tab 4. Click on Change System Locale 5. Select Japanese (Japan) from the drop-down If you use Windows 8: 1. Go to the Control Panel 2. Click on Clock, Language and Region then Region 3. Click on the Administrative tab 4. Click on Change System Locale 5. Select Japan (Japanese) from the drop-down If you use Windows 7