To enable Easy Access in the TeamViewer Full Client:
– Close TeamViewer
– Right click the TeamViewer icon (that you normally click to start TeamViewer)
– Click Run as Administrator (Otherwise the checckbox in the last step will be greyed out)
– Click Settings (The cog icon)
– Click Security
– Click Access Control (to bring up the old interface)
– Click Security
– Turn on Easy Access (Under “Unattended Access”)