Step 1: You need to already have done the Translate Guide we have here on this Community, if you didn't do that yet, you can access the guide by pressing here

Step 2: Considering that you have already done the Translation Guide, download the KeyMapper here[github.com]

Step 3: In releases download the lastest version available

Step 4: Extract the File on your Desktop

Step 5: Now you drag the file TouhouKeymap.dll to your bin's folder of the Translation Guide

Step 6: Open your game via the Translation Shortcut then close it

Step 7: Will appear on your Desktop another shortcut that will be called Custom

Step 8: Open it, and press on Key Config... Below the window title

Step 9: There you can edit your keys, when you are finish press Ok then Save and exit

Step 10: Open your game again by the shortcut and it will run with the changes