How do i get windows 7 drivers for intel pentium d

You would go to your motherboard makers website.

Failing that, Intel.com has all the drivers for Intel chipsets/igps/network cards ect

Slect Chipset->Desktop chipset then find yours in the list.
http://downloadcenter.intel.com/default.aspx?lang=eng

Go to your matherboard makers site , search your motherboard model and after that go on the download and there you will see everything you need , all the drivers for your motherboard , including BIOS.