How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

Note: This article is intended primarily for Windows Pro and Home users. For IT professionals or enterprise IT-managed devices, refer to IT admin guide: Secure Boot certificate update status in the Windows Security app.

Xbox Support ... Xbox Support

Learn how to manage the online safety and privacy settings on the Xbox console for you and every member of your family group.

注意 Microsoft Authenticator 不适用于 电脑或 Mac，因为验证器应用是出于安全原因为智能手机设计的。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。 始终使设备保持最新状态。 中国用户应 了解如何在中国下载和使用 Microsoft Authenticator。

Warranties, extended service plans, and terms and conditions for your device Terms and conditions, including warranty terms, are dependent upon where you purchased your device. To review legal documents about the Standard Limited Warranty, Microsoft Complete extended service plan, and extended hardware service plan for business here, see: Warranties and service plans

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Find a rundown of new and updated features and functionality that’s been added to Xbox consoles in the latest system updates.

Tablet mode in Windows makes the interface more touch‑friendly on devices with touch‑capable screens, such as tablets and 2‑in‑1 PCs. It optimizes the layout for touch input by making buttons easier to tap and improving on‑screen navigation.

Need help setting up an Xbox profile or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.