Update to enable TLS 1.1 and TLS 1.2 as default secure protocols in ...
For example: The administrator wants to override the default values for WINHTTP_OPTION_SECURE_PROTOCOLS to specify TLS 1.1 and TLS 1.2. Take the value for TLS 1.1 (0x00000200) and the value for TLS 1.2 (0x00000800), then add them together in calculator (in programmer mode), and the resulting registry value would be 0x00000A00.
Surface help & learning
Choose from a variety of Surface devices and accessories to get help.
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
Use Game Mode while gaming on your Windows device
Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system
Improve accessibility with the Accessibility Checker
Apply recommended actions. In the Accessibility pane, you'll see a list of errors and warnings, with how-to-fix recommendations for each.. To quickly correct the issues, apply one of the recommended actions. For more information on how the findings are categorized, see Rules for the Accessibility Checker. In the Accessibility pane, select an issue under Warnings or Errors.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote 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, Excel for the web, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Visio Professional 2021, Visio Standard 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
June 11, 2024—KB5039212 (OS Builds 22621.3737 and 22631.3737)
Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
手机连接帮助和学习
介绍 Microsoft 手机连接 我们对之前的“你的手机”应用的演变为用户体验提供了一个新名称。 使用 Windows 电脑上的新“手机连接”和 Android 设备上的新“连接至 Windows”应用，访问移动应用和内容从未如此简单！
Enable TPM 2.0 on your PC - Microsoft Support
How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
How to reset the Hosts file back to the default - Microsoft Support
Summary. This article helps you reset the Hosts file back to the default. What's the Hosts file. The Hosts file is used by the operating system to map human-friendly hostnames to numerical Internet Protocol (IP) addresses which identify and locate a host in an IP network.