After install the WinTV-PVR 250/350/Freestyle board in a free PCI slot. 1: You should see Hardware Wizrad. 2: Click next button. 3: Check the box "Search for the best driver for your device" then click next button. 4: Check only Specify a location box, Then click on the Browse button. 5: Click your CDrom or the folder where unpack base driver kit is at then click OK button. 6: Click Next 7: If all gose well you should this page then click next button. 8: It should copy some file 9: Now you should see this just click on the Finish button. 10: On CDRom or folder where unpack base driver kit is at you fine setup.exe run it select your Language. 11: Clik OK button 12: Check or Uncheck what you want. Note: Don't uncheck MPEG SW Decoder you neee them. After it done install everything it very good idea to reboot (I recommended this).