We already showed how you can turn off notifications in Windows 8 for a while — maybe you want these notifications off while you are presenting your PowerPoint slides. Although these notifications can be useful, some of them can be very irritating and even embarrassing when you show slides to an audience. Some people hate them so much that they want them barred even when they are not presenting — if your thought processes work the same way, you can turn these notifications off permanently.
Learn how to permanently turn off notifications in Windows 8.

