Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Windows Hello is a more personal and secure way to sign in to your Windows device. Instead of using a password, with Windows Hello you can sign in using facial recognition, fingerprint, or a PIN.

Virtualization lets your Windows device emulate a different operating system, like Android or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your device.

ملاحظة: أفضل طريقة وأكثرها أمانا للحصول على تحديثات برامج التشغيل في Windows هي دائما من خلال Windows Update.إذا كنت تواجه مشاكل مع Windows Update، فقد ترى ما إذا كان بإمكان أي من الارتباطات الموجودة في "تحديث Windows" مساعدتك أولا.

如果找不到恢复密钥，该怎么办？ 如果设备由组织管理，请与 IT 部门联系以检索恢复密钥。 如果找不到 BitLocker 恢复密钥，并且无法撤消导致需要它的任何更改，则必须使用 Windows 恢复选项之一重置设备。. 重置你的设备将删除所有文件。

In Outlook, you have the option to: Attach a file | Upload a locally saved file to your OneDrive | Insert a picture into the body of a message | Attach an email item | Solve problems with attachments. Attach a file to an email message in new Outlook. New Outlook keeps track of the files you have worked on recently and suggests them whenever you decide you want to attach a file to an email message.

OneDrive not connected. If you cannot sign in to your OneDrive sync app, or you see a message saying OneDrive is not connected, let our troubleshooter guide you through the steps to get syncing again, or follow the steps below.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Option 2: Remove Current Account and Re-Add . If you remove your current account from Thunderbird and then re-add it, the proper settings will be detected, and you will just need to sign in to be properly configured with Modern Authentication and the proper server settings.

Microsoft Edge offers two optional browsing modes—Balanced and Strict—for enhanced security to provide you with an extra layer of protection when browsing the web and unfamiliar sites.