Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
KB4073119:防范基于芯片的微架构和推理执行侧信道漏洞的 Windows 客户端 IT 专业人员指南
本文为影响许多新式处理器和操作系统的一类基于硅的微体系结构和推测执行侧信道漏洞提供了指导。. 这包括 Intel、AMD 和 ARM。. 可在以下 ADV(安全公告)和 CVE(常见漏洞和披露)中找到这些基于芯片的漏洞的特定详细信息:. ADV180002 | 缓解推测执行侧信道漏洞 ...
获取有关你的 Microsoft 帐户的帮助 - Microsoft 支持
关闭定期计费. 退款帮助. 调查计费的费用. BitLocker 帮助. 查找 Windows 和 Office 的产品密钥. 有关工作或学校帐户密码的帮助. 我需要与客户支持代理联系. 了解如何获取 Microsoft 帐户帮助、解决登录问题、确保帐户安全以及管理 Microsoft 帐户仪表板。.
Applies To: Microsoft account dashboard
联系我们 - Microsoft 支持部门
选择你需要帮助的产品. 我们将首先向你显示自助选项。. 其他帮助也可提供,包括与 Microsoft 专家的实时聊天。. 联系 Microsoft 支持人员。. 查找常见问题的解决方案,或从支持专员那里获取帮助。.
How to sign in to or out of Outlook.com - Microsoft Support
To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...
Applies To: Outlook.com
インデックスの作成と使用によりパフォーマンスを向上させる - Microsoft サポート
インデックスとは. インデックスを使用すると Access によるレコードの検索と並べ替えの速度が速くなります。. インデックスには、インデックスを作成する対象の 1 つ以上のフィールドに基づくレコードの位置が保存されます。. Access では、インデックス ...
Applies To: Access for Microsoft 365, Access 2021, Access 2019, Access 2016
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Manage your Microsoft 365 subscription or Office product
Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
Windows 帮助和学习
如果你是小型企业所有者. 通过 Microsoft 365 查找构建、运行和发展小型企业所需的信息。. 访问小型企业帮助和学习. 查找有关 Windows 操作系统的帮助和操作方法文章。. 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。.
Ways to install Windows 11 - Microsoft Support
Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.
如何安装最新版本的 DirectX - Microsoft 支持
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动此程序,因为计算机中丢失 d3dx9_35.dll。