Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

To download the offline installer for Internet Explorer 11, choose your language and system below.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

Learn how to update Microsoft Office on PC and troubleshooting tips for installing Office updates.

You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

Compose a message now, but schedule it to be sent later.

学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Summary. This update provides support for media features in Windows 10/11 N. These include media-related technologies (Windows Media Player) and certain pre-installed media apps, such as Movies & TV, Voice Recorder, and Skype.

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.