How can i download realtek usb card reader 2.0 safely(from a trusted website)?

Hi, I accidentally deleted this from my new laptop, which runs on windows 7. And now I'am panicing thinking that i might really need this someday.I can see plenty of websites promising downloads of this but iam weary of risks to my new computer.Can anyone reccommend a good site that they have used(im abit of a novice in the laptop world!!!!!!) THANKYOU