Birthday Reminder is a simple program that can alert you of upcoming birthdays, anniversaries or other recurring events. You can choose to be notified X days in advance, select a custom icon for each entry and also view the current age of the person. The program checks for new birthdays every time you start your computer. If you do not restart your PC on a daily basis, you can perform manual checks or use the Windows Task Scheduler to run the check on a daily basis.
The license of this software is Freeware, you can free download and free use this desktop reminder software.