First off,



This is the driver version, self explanatory, really
This shows the windows platform
Click this to download the driver
Click this to download the modified INF (A MUST FOR LAPTOPS) and replace the original INF with this



Next,



Device manager > expand display adapter > Right click your GPU > Update driver

Then,



Select the second option, browse my computer for driver software

After that,



select the option circled in the picture

Subsequently,



"Have disk" nugh' said

Finally,



Browse > select the only modified INF in the driver's folder > follow through and you're done.