I strongly suggest that you lay out a 4-year plan for yourself to follow. Even if you change majors, it will help you visualize what you need to do and when. This page has links to various university and advisor-generated resources for your planning.
Of course, your advisor will be able to give you personalized information about this, so if you find it too overwhelming, please set up an appointment with her or him.
Here is a template you can personalize with your degree requirements. Remember that you should register for the WPE once you have 75 credits (including currently enrolled credits).
CS degree planning:
Here is a page with the prerequisites for CS courses listed in visual format.
BS: Here is the CS BS degree check-off form with a complete list of courses you will need in order to complete a CS-BS degree. You can use it to plan which courses you take and when.
More detailed (but less organized) information about the CS BS degree is available on this page.
BA: Here is the CS BA degree check-off form with a complete list of courses you will need in order to complete a CS-BA degree. You can use it to plan which courses you take and when.
More detailed (but less organized) information about the CS BA degree is available on this page.
IT degree planning:
Here is the IT (BS) degree check-off form with a complete list of courses you will need in order to complete an IT degree. You can use it to plan which courses you take and when. The courses for various IT tracks (System Administration, Business Intelligence, Computer Forensics, and Information architecture) are listed here.
More detailed (but less organized) information about the IT BS degree is available on this page.