Professional installation? The lights are incredibly easy to install. As a matter of fact, they are plug and play.
Headlights:
Porsche 911 996 & Boxster 986 Headlight Removal & Replacement - YouTube
Side markers:
Clear Side Markers
Taillights:
http://986forum.com/forums/performance-technical-chat/14770-removing-tail-lights-what-tools-do-i-need.html
It's so easy a child could do it. But please, do a search first for future questions.