Can i install games on my laptop beside a take-away usb cd/dvd thrust?

Yes you can use a external USB optical drive even if the installed CD/DVD optical drive works or not.
Make sure your laptop can run the game by looking ascending the games system requirements and compare to the laptops system or exercise the free tool downwards.
Can your computer run that game?
Complex Requirements Workplace analyzes your computer in just secs, and it's FREE.
http://systemrequirementlab.com/