The TeamViewer Host options can be accessed by clicking on the TeamViewer icon at the menu bar and select Preferences. The ID will not change and always stay the same on the machine. Enter the ID followed by the password and you’re able to connect to the OS X machine.
As for the Windows computer that will be controlling the Mac computer, simply download the TeamViewer full version, install and run it. You will need to download and install the “HOST” version of TeamViewer on the Mac computer that you want to remotely control.
Other than that, TeamViewer also works on multiple operating systems where it allows you to control a Mac OS X system from a Windows computer. TeamViewer is one of the most popular remote access software that is commonly used to provide remote support because it is easy to use and comes with really powerful features such as file transfer, switch sides, conference call, VoIP, screen recording and etc.