Available for IE only
Download ActiveX from the following link if you don't have:
IPCOCX4 version 4.3.0(HTML5).rar
IPCOCX4 version 4.3.0
NOTE: HTML 5 Supported.
Tips: It's strongly recommended for you to install the above ActiveX and then restart your PC to make it valid. Later it should be easier for you to preview live video feed from browser like IE.