How to open .S4M file extension?

If you cannot open a new file that has been saved in the .S4M format you need to download the appropriate software. The manufacturer of .S4M files is Irrational Games; .S4M files belong to the Game Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .S4M files. Activities performed in the order described should solve the problems with all the files in the .S4M format.

• What is .S4M file?
• How to open .S4M file?
• What is .S4M file?