heyhey! i recently discovered that the graphics drivers on my hp pavilion 15-au063c haven't updated since july of 2017. so i did some searching and attempted to find an update for my intel hd graphics 520, and i totally found one.. except i get this error saying the operating system is not supported. i've even tried the intel driver support assistant thing, and it says nothing needs to be updated, but that's not what world of warcraft says.
Two things. One, you should upgrade to the latest version of Windows 10, which is currently 1809. However, 19H1 is only a week or so away (so claims Microsoft).
Two, for your laptops, you should use ONLY the driver from HP, and NOT the Intel generic driver.