If you want to know how many years, how many month and how many days you have lived in this world, you can use Age Calculator v2.0 software. You just need to enter your birthday and today date then you will see how many years, how many months and how many days you have lived in this world.

You can download Age Calculator v2.0 from: http://download.cnet.com/Age-Calculator/3000-2056_4-10845988.html