@KROE86I know this is a few months old, but Team Viewer's free tier only supports the current version (15), not legacy versions (here). I am trying to solve the EXACT SAME PROBLEM:
**Third Party Product** with some added security seems like a more involved solution.
**Third Party Product**is also a possiblity, but it's browser based and might not have the features you're looking for.
**Third Party Product** is for mac10.10 and newer
The built in Preferences>Sharing>Screen Sharing in Mac OS 10.9.5 might do the trick, but again it's more involved (open port 5900 and point it to a reserved IP for your machine) and requires a VNC client of some sort. I got this to work but it doesn't carry sound, which is necessary for my purposes.
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