An executable file is a computer file that contains instructions or a program that can be run or executed by a computer. It is a file that tells your computer what to do and can perform actions or tasks when opened. Full definition
There's a single, Windows executable file inside named «Activate Control Mode.exe.» (howtogeek.com)
You'll also need full administrative access to your computer and and network so that you can make the training page a trusted site in IE and let it do things like run executable files on your machine. (lawyerist.com)
It can also make changes to scripts, batch files, and other types of executable files on your Windows computer. (thewindowsclub.com)