Now, if you head over to Hangzhou Hikvision Digital Technology Co. You will be able to download the Mac OS Plug-in. Installation is fairly straightforward. Once you have installed the plug in, you should be able to view your cameras within safari. Make sure you have 'Webcomponents' selected from the plug-in list though. Hikvision NVR Browser Video Playback and Download videos. How to download recorded videos using a web browser. Firefox and Internet Explorer web browsers are. Web Plugin free download - Sitoo Web, Web Page Maker, K9 Web Protection, and many more programs. This means you may keep trying to install the WebComponents plugin but it does nothing. Thankfully there is a fix: How to use Firefox v52 to live view Hikvision device 1. Install the plug in first. Open a blank page of Firefox and input about:config (where you normally type the web address) 3 Press Enter. Click on the, “I Accept the Risk. Click on the icon1, click ‘Download’2 and Agree3 Click on pkg file saved on your computer 4 If flagged as ‘unidentified developer” 5 open.