Well, in latest builds you can use OpenGL since it´s faster than D3D. In Windows, set it to High Performance mode. I think that the Intel drivers allow you to set the GPU to high performance, you´d better look for that in the Intel HD panel (or whatever name it has). 
Rig 1: Windows 10 Home | AMD A6-1450 @ 600/1000/1400 MHz | AMD Radeon HD Graphics 8250 | 4GB RAM | HP Pavilion TouchSmart 11.
Rig 2: Windows 10 Pro | Intel Core i7-2640M @ 780/2800/3500 MHz | Intel HD 3000 Mobile | 8GB RAM | Dell Latitude 6320.