Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

讨论如何使用 Microsoft Security Essentials、Microsoft 安全扫描程序 和 Microsoft Defender 脱机删除病毒、间谍软件、恶意软件或恶意软件。.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...

Select Defragment and Optimize Drives from the list of results. Select the drive you want to work with. If it's a hard disk drive, select Analyze if you want Windows to check the drive to see if it needs optimization, or select Optimize to have Windows run optimization on the drive.

若要全面检测和删除恶意软件，请考虑使用 Windows Defender 脱机版或 Microsoft 安全扫描程序。 本文介绍该工具与防病毒或反恶意软件产品有何不同、如何下载和运行该工具、当该工具发现恶意软件时将执行哪些操作以及工具发布信息。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

若要卸载画图/截图工具，请执行以下操作：. 在“开始”菜单中，搜索 “设置” 应用并将其打开。. 选择 “应用 ”，然后选择“ 已安装的应用 ”。. 查找或搜索 “画图 ”或“ 截图工具 ”，选择右侧的三个点，然后选择“ 卸载 ”。. 选择“ 卸载 ”以确认要 ...

阻止弹出窗口的 Microsoft Edge 功能可有效防止网站自动打开新窗口或选项卡，或阻止当前网页顶部的部分窗口。. 默认情况下，此功能处于启用状态。. 有许多不同类型的弹出窗口，包括广告、通知、产品/服务或警报，这些弹出窗口会在任意网页的不同时间显示 ...