Webstore, Choosing an operating system when purchasing a new computer for your department
When purchasing a new PC, you should customize the default configuration and select the least expensive Windows operating system option. The system configuration price can be reduced, by selecting this option. Please check with your department IT administrator before ordering, as there can be exceptions to this strategy. You should never purchase Microsoft Office from the hardware vendor, as this product available through the Microsoft Campus Agreement at no charge.
What should I do if I am purchasing a new PC for my department?
This document is a valuable reference. Qualifying Operating Systems for Upgrade License