is your computer on the same ip address on your lan
eg computer lets say has an ip address of 192.168.1.10 and your hikvision camera would have an ip address of 192.168.1.85
then on the web browser type in 192.168.1.85 and the log in page will open type in admin and your password and you will see the live view if you are using
the correct web browser and plug in