In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy:

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

Microsoft 365 for business. If your Microsoft 365 product is one of the following, you have a Microsoft 365 for business product. These products are usually associated with a work or school account, and your Microsoft 365 license (if your subscription has one) came from the organization where you work or go to school.

注意: 如果你不在 Windows 设备上，可以通过转到“联系”Microsoft 支持部门 键入“排查 BSOD 错误”，在浏览器中运行“蓝屏疑难解答”。 然后按照“推荐的帮助”下的引导演练进行操作。

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).

Select Start > Settings > Personalization.The preview window gives you a sneak peek of your changes as you make them. In Personalize your background, you can select a picture, a solid color, or a slideshow of pictures you create.Or you can choose Windows spotlight to see a new image from around the world every day.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.

重要: 在选择从媒体启动之前，应验证设备是否满足最低系统要求，因为满足后才允许安装 Windows 11，如果你至少具有 TPM 1.2（而不是最低系统要求的 TPM 2.0），它将不会根据处理器的系列和模型验证处理器是否在批准的 CPU 列表上。

Published August 2021. This article is intended for users who are not able to upgrade to Windows 11 because their PC is not currently Secure Boot capable.