Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

如果 Windows 10 中的 Microsoft Store 无法启动，请尝试上述故障排除步骤。

Kokeile näitä ratkaisuja, jos et voi kirjautua Outlook.com-, Hotmail-, Live- tai MSN-sähköpostitiliisi tai jos et ole varma, miten kirjaudut sisään tai ulos.

Learn how to use the PC Health Check app to help you improve your device performance.

Si tienes problemas de sonido o audio, las siguientes sugerencias pueden ayudarte. Las sugerencias se enumeran en orden, por lo que debes empezar por la primera; comprobar si se soluciona el problema y, de no ser así, continuar por la siguiente.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

Sharing OneDrive files, SharePoint files, or Lists with other people allows you to securely collaborate with people outside your organization.