The easiest way is to install

DO Solutions’s Quick Support by visiting: – your download should start automatically and the file can be located in your Downloads folder. 
For Mac users the file will be named ‘TeamViewerQS.dmg‘,  if you are a Windows user the file will be named ‘TeamViewerQS.exe‘.

Once you have opened the application you will be asked to ‘Allow’ the connection with DO Solutions.
Unless you don’t click ‘Allow’ the connection will not be established. 

Click here for a list of supported operating systems. 

If you are running an older operating system you may have to download an older version, click here for a full list.