Corel WinZip Pro - Maintenance is designed for one user and offers a two - year validation period under the Corel License Program (CLP). This volume license (Price Level B for 10 - 24 users) simplifies budgeting for future software updates and technical support. With easy installation on a PC, users can enjoy all the features of WinZip Pro while having peace of mind knowing their software is consistently up - to - date and fully supported.