Windows 安全中心已预安装在 Windows 10 中并可随时使用。

了解 Windows 中的恢复选项。 查明如何重置电脑、回退到以前版本的 Windows 或使用介质重新安装 Windows。

Get the most out of your subscription with expert advice and support from small business advisors. Business Assist for Microsoft 365 is designed for small businesses to give you and your employees around-the-clock access to small business advisors as you grow your business, from onboarding to everyday use.

Découvrez comment sortir du mode S pour installer des applications en dehors du Microsoft Store ou pour effectuer une mise à niveau vers Windows 11.

Learn how to create an Xbox profile. You’ll need a Microsoft account to create an Xbox account. A Microsoft account is not the same thing as an Xbox account, although you can use the same email address for both.

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

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

تعرف على كيفية تنشيط Windows باستخدام مفتاح منتج أو ترخيص رقمي والتحقق من حالة التنشيط وربط حساب Microsoft الخاص بك.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

了解如何检查正在使用的 Office 版本。 查找 Office 应用的产品名称和版本号。