Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.Microsoft Defender is included in a Microsoft 365 Family or Personal subscription and works on your phone (Android or iOS), PC, and Mac.

Virtualization lets your Windows device emulate a different operating system, like Android or Linux. Enabling virtualization gives you access to a larger library of apps to use and install on your device.

购买新电脑. 如何知道现在是使用新电脑的时候了. 帮助我选择新的Windows 11电脑. 帮助我选择由 Microsoft 设计的笔记本电脑

The steps to access the repair tool vary depending on your operating system. Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu.

As your everyday AI companion, Microsoft Copilot assists you with everything from starting with a blank page to finding the perfect words. It simplifies tasks, boosting your productivity and ensuring you focus on what matters most.

Note: BitLocker Drive Encryption is only available on devices running Windows Pro, Enterprise, or Education editions. It isn't available on Windows Home edition. If Manage BitLocker isn't listed, it means that you don't have the correct Windows edition.

Note: This article explains the minimum system requirements for running Windows 11 on a PC. Minimum system requirements are designed to provide a great computing experience across a variety of devices, now and into the future.

Important: Before trying any of the solutions below, make sure you back up your personal files. You can back up your Windows PC, or insert a USB drive and use File Explorer to drag and copy important files to the USB drive.If you’re signing into Windows with a Microsoft account, your system settings will be automatically restored after updating, once you’re connected to the internet.

Refrain from using tricks to gain points quickly such as spamming letters or numbers into Bing, clicking through articles quickly or using bookmarks to open articles in a rapid manner with the intention of accumulating points in a short timeframe.

Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.