How to Decrypt Enigma  M4  Kriegsmarine Traffic

Use the same site for encrypt instructions.

1.    Go to the EWCG website.
2.   Click on the 'Kriegsmarine' tab and from drop-down menu the 'Basic Decrypting Procedure'
3.   Download the EnigmaSim simulator.
4.   Follow the instructions carefully, take your time, double check and write down each step.

EnigmaSim hints

1.  For each project, use the menu to save your simulator configuration,  you're likely to need it again.  
2.  After each use, exit the simulator and start again to clear buffers. 
3.   If on the same project, reload the previous configuration settings from your saved file. Saves a lot of time.