Select Notifications to expand it, and turn notifications, banners, and sounds on or off for some or all notification senders.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Remarque : Si moins de 10 jours se sont écoulés depuis la mise à niveau vers Windows 10, votre version précédente de Windows s’affiche en tant que fichier système que vous pouvez supprimer.Si vous devez libérer de l’espace disque, vous pouvez le supprimer, mais n’oubliez pas que cela supprimera votre dossier Windows.old, qui contient des fichiers qui vous donnent la possibilité ...

Manually download a language for Cortana speech. Go back to Settings > Time & language > Language, select your new language, and then use the up-arrow button to move it to the top of the list and make it the default.

Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.

Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.

There are some common two-step verification problems that seem to happen more frequently than any of us would like. We've put together this article to describe fixes for the most common problems.

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

OneDrive for Business provides one place to store, share and sync your work or school files.