You'll need:
Touhou 12.3 (
(DL it from my post here)Hamachi
(just the the unmanaged version)
Hamachi network is "Hisoutenoku PON" password - myriad
instructions with pictures:
After you join the hamachi server you'll be able to join games
In game you go to vs Network
and go to option 2 if your joining and 1 if your hosting
- Spoiler:
for the 2nd option
you put in the ip like this (lets say your challenging me)
005.122.044.076:10800 (don't change the 10800)
Heres a link to the english patch if you'd want to use it
Link