You can save video data on an external PC as follows.
Access the network camera using Internet Explorer on a Windows PC.
Search by date and time in the Playback screen, select the recording you want to save, and click the [Export] button ton start saving on the PC.
You can display the saved video data by clicking the [Folder icon] button on the right of the [Export] button.
Saved video data is in .avi format that can be played back with Windows Media Player.