Khan-Bjornsen wrote:dx9 will disapear, the dx11 is buggy, wait a little more for fixes, they are working hard on it
devs said several times that the dx11 won't change your perf and upgrading your computer isn't necessary
I'm sure 99% of us won't have this issue, however, if you dont have a card that support DX11... it IS a problem. Due to the fact that the game ran DX9 before, people were getting away with running the game on older cards on less than low settings. As the Op hasn't specified his system specs, i think it is a valid question.
Please consult this
http://solidlystated.com/hardware/list-of-directx-11-video-cards/ to see if your card is on it.
The current steam system requirements will NOT work with a DX11 build,
the videocards listed are pre DX11:
MINIMUM:
OS: Windows 7,8
Processor: Intel® Core™ i5 or AMD Phenom II X4 with at least 2,5 GHz
Memory: 4 GB RAM
Graphics:
GeForce 260/Radeon HD 4800/Intel HD 4600 with at least 1024 MB RAM or more and should be a DirectX 10-compatible
DirectX: Version 9.0
Hard Drive: 5 GB available space
you will need at least a Geforce 400+ or a radeon 5450+