Redeon HD 8760M must be default rather then intel

Team,

I have purchased (HP Pavilion 15-e033tx)

http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?os=4132&lc=en&cc=us&dlc=en&sw_lang=&product=5393345

I install in window 8 exterprize 64 bit

Redeon HD 8760M and intel

But I want Redeon HD 8760M  will be default rather then intel

and how i can switch from intel to Redeon HD 8760M Graphic card

Reason to switch because it is disturb my rating 

Second when i will install Virtual Machine i need Redeon HD 8760M  will be my default.

I want Redeon will be default , but intel is default

Please help me

Regards