Webcam Driver of Aspire E5-474G-53QG

Hi ... let me introduce myself ... I'm Ahmad Thoufur Abi from Jakarta, Indonesia ...
I'm a teacher of Senior High School ... (MAN 1 Jakarta)
I need your help ... !!

After re-installing my Acer, my webcam (built-in) is not found ... !!
Unfortunately, I don't have any CD ...
I've searched the driver from any official acer website, but I didn't find it ...

Could you please, send me a link to download this driver ... ?!

I need this webcam to make tutorial program for my teaching ... 

Thanks before ...