It's always best to install programs such as Zoo Tycoon on drive C:\, if possible. However, if drive C:\ is full or not accessible, you can use another harddrive. Using drive C:\ just makes it easier to locate your games and other programs. Retrieved from "http://p9ztdc.wikia.com/wiki/Which_harddrive_should_I_install_Zoo_Tycoon_on%3F?oldid=4101" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.