It was not so easy to find the driver for sky vega a810k that fits windows 8. I have tried the previews version because it was easier to find but it doesn’t work. So here i will just give you the link where you can download the driver from sky website :
http://file.isky.co.kr/upload/software/USB%28Win8%29/USB%20Driver_Window8_Install_V4.12.0.0.zip
Here is the windows 7 driver :
http://file.isky.co.kr/upload/software/USB/IMA810K_USBDriver.zip