Solved - windows 10 driver for Dell Latitude D620

Issue with video driver for Windows 10 64 bit solved.

Used this driver and it worked.

http://download.windowsupdate.com/msdownload/update/driver/drvs/2010/08/20376210_70a476ede1c3a23125e47bfbeb0d33acec9c13b7.cab