Legacy hardware detected

[ExcLorD]

By starting the game for the first time, a message saying "Legacy hardware detected not enough vram detected". The game launches but the game runs with notorious lag.
My laptop does not have a graphics card, It has iris integrated graphics.

 

[AndrewT]

The message means what it says - your video system is not supported hardware for the game. That's why it is slow.

You could try updating that video driver

Download Intel Drivers and Software

Download new and previously released drivers including support software, bios, utilities, firmware and patches for Intel products.

downloadcenter.intel.com

And reducing the resolution and display options in the game.