Can I install individual program in the complete package of Cyberlink DVD Solution?

No. Cyberlink DVD Solution supports one CD key to install all programs inside the whole package of Cyberlink DVD Solution. Individual installation for each product is not allowed.
But you can select which programs to be installed each time via the options on the installation page. It is very useful when you have some of Cyberlink products installed properly on your computer and you don't want them to be replaced by Cyberlink DVD Solution.