thank you guys for your answers
yes i want to replace my artheros wifi card with Intel® Centrino® Advanced-N 6200
again this is my hardware configuration:
3rd generation Mobile QuadCore Intel Core i7-3630QM, 2600 MHz (26 x 100)
Video Adapter Intel(R) HD Graphics 4000 (2112 MB)
OS Name Microsoft Windows 8 Professional
but i will wait my warranty is over ,because i think i will end my warranty if i change the card
thanks a lot