There is a cryptographic coin wallet named Exodus. The linux version is just an unlabelled executable file, meaning it isn't even ending with "run" or "bin". There is no .deb or .rpm.

How do I install this so that all users can use it?

#1 get off the Microsoft extension train. Under several other operating systems the Microsoft file extension system is not only not required, it is meaningless. It only has purpose for human readability. Extensions mean nothing to linux.

#2 to detect the file type under *nix style operating systems including all Linux based systems and *bsd based systems you can use the "file" command. This detect the "magic number" in the first bytes of the file that identify it. Check your man page for details.

#3 if a file is a properly formed script or executable file (see #2 for a way to find out), you only need put it in the path of the user who needs to execute it. I generally place mine either in /usr/local/bin (after making sure that /usr/local/bin is in the path the users in question get on logon) or in the specific users ~/bin folder (again, making sure that ${HOME}/bin is in the users default path).

Another possible location is /usr/bin, depending on the system and purpose. I generally avoid placing mine here as a system software update that installs a file with the same or similar name could overwrite it in that location.

I hope that this helps a bit.