Evosus Legacy Software licenses are concurrent and a one-time purchase. They cannot be returned. Additional software licenses will increase your monthly Maintenance & Support fees $35/mo per additional license purchased. With the purchase of additional Evosus Legacy Software  licenses, you authorize Evosus to increase your monthly Maintenance & Support billing according to the number of licenses purchased. Licenses will be installed within 2 business days and the primary contact on your account will be notified when the license installation is complete