This is to be done in DOS or in DOS window:

1. Go to your boom directory and make a sub-directory called TRISEN
2. UNZIP trisen01.zip to this new directory
3. Type following lines when you are in your boom directory (note!
   replace "c:\doom2" with your DooM 2 directory):
      copy con trisen.bat
      boom -iwad c:\doom2 -file trisen\trisen.wad -deh trisen\trisen.deh -save trisen

4. Press F6-key and after that enter-key
5. Type "trisen" to play it!