Learn how the service process for Microsoft Surface works and how to request service online if your Surface needs repair.

Digital signatures provide assurances about the validity and authenticity of digital documents.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

PowerPoint で Microsoft 365 Copilot の AI の力を使用して、最初からプレゼンテーションを作成する方法について説明します。

Erfahren Sie, wie Sie Ihr Windows-Kennwort ändern oder zurücksetzen, wenn Sie es vergessen oder verloren haben.

Learn how to set up and configure Outlook so that you can begin to use it.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.. Outlook and Outlook.com may be able to detect your account's mailbox settings automatically, but for other non-Microsoft accounts, you may need to contact your email provider for their settings.

Learn how to find the serial number on your Surface so you can register your product or request service.