Create IT Computer Maintenance Notifier

Hello, I would like a notifier to let my customers know there computer is due for service. functionality: 1. 3 Month, 6 Month, 12 Months Notifier 2. The ability for techicial to have service history log bulit into the notfier 3. Ability for the customer to disable and uninstall 4. Ability for the techncial staff to have custom messages built into the notifier for the next service [login to view URL] service on specific problems 5. terms and conditions for use of software 6. I would like the notifier to branded visually similiar to or website with Gigabyte Man Included 7 Excutable Installation [login to view URL]