The installation for Linux is on this page here.This requires you to reboot your computer.If you do not change your system locale now, on the first step, you can ruin your entire installation.
The version number corresponds with the release date in a YYMMDD format.Download the latest version of the game.The installation will be in Japanese, just keep clicking Next (Next has N> in it) until it's done.Inside the folder is RPG2000RTP.exe, run it to begin installing RTP.You should now have a new folder, RTPセットアップ.Warning: If you see a bunch of random junk in the filenames instead of Japanese characters you messed up and need to start over.It's recommended you use 7zip when unpacking files.