In 1995, the original Command & Conquer helped define the real-time strategy genre. The franchise then continued to innovate for the next 10 years with cutting-edge visuals, epic storylines, and complex missions. This is RTS gold and you`ll be pleased to know that not only will it run very well on your netbook, but it is also now free!! Yup, gratis to download and play (details below)
Download them here
These files are in the ISO form so you will have to burn or mount them to install.