mullasaif97 :
how can i install windows if i dont have cd driver in my laptop
You can obtain the original ISO of Windows 8.1 from this link
http://
Read the "Before you begin" statement
You need to download the exact edition that is currently installed on your PC.
Of course you will need to burn it to a DVD or Create bootable USB. I use Rufus for this:
http://
Wait for others' responses
just an amateur here