There are three levels to this anydesk software.

Running the file after download, no install is necessary. 
This software allows us to connect to your PC via a nine digit code.
You can accept or deny the connection.  You must be present to allow access.

Installing the software gives you complete control to use the basic Accept or Reject function.
allowing the program to run and await a connection request. You must be present to allow access.

Install the software and setup for remote anytime connection with proper 9 digit code and secure password.