Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Email addresses and phone numbers associated with your Microsoft account are called aliases and they use the same contacts, online storage, subscriptions, and account settings.

2. Fill out the form using a recognized device and location. If possible, complete the form using a device you previously used to sign into your account and at a location where you commonly use that device and that we'll recognize, such as your home or office.

To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

在 Microsoft，我們遵循我們的 AI 原則、負責任的 AI 標準，以及 AI 錨定和保留隱私權的機器學習研究。 資料隱私權和安全性是負責任 AI 的重要原則。 我們的目標是協助客戶負責任地使用我們的 AI 產品、分享我們的學習內容，並建立以信任為基礎的合作關係。

With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information.

Create and maintain an events database to manage upcoming events using this Access database. Powerful built-in and customizable event navigation and filtering let you track events by time (for example, Current Events, Events by Week, and Today's Events) as well as type, as you collect data in real time via email and generate and distribute useful and timely reports.

Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.