TeamViewer is a simple and fast solution for remote control, desktop sharing and file transfer that works behind any firewall and NAT proxy.
To connect to another computer just run TeamViewer on both machines without the need of an installation procedure. With the first start automatic partner IDs are generated on both computers. Enter your partner’s ID into TeamViewer and the connection is established immediately.
With over 60 million users TeamViewer is a standard tool to give support and assistance to people in remote locations. The software can also be used for presentations, where you can show your own desktop to a partner.
The latest version, v5.0.8703, activates recovering Windows from standby or hibernate.
For more information and to download visit www.teamviewer.com
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Strange, I found that Teamviewer does require an app to be installed on both ends…I use Techinline which is entirely browser-based (www.techinline.com). It does not require any installation apart from the browser add-on