Nokia Lumia 920 - I cannot purchase apps from the Windows Phone Store because I accidentally entered wrong age on Microsoft Account. How can I resolve this issue?

Sign in to your Microsoft Account, click Edit personal info, make sure that your Birth date is set correctly, and then click Save.Note: If you see a message indicating that your password is weak, change it to something stronger. If you are prompted to add additional security information, add it.

To learn more about family settings and child accounts, and how to set your explicit content settings, you can use the search field on www.xbox.com/support page to find related FAQ: "Xbox LIVE and Zune online safety and privacy".