Describes an update that adds TLS 1.1 and TLS 1.2 to default security protocols in Windows Server 2012, Windows 7 SP1, and Windows Server 2008 R2 SP1.

Service Bus for Windows Server 1.1 with TLS 1.2 support must be installed on the computer to support the new TLS1.1 and TLS1.2 feature.

If you're trying to add your Outlook.com account to Outlook or another mail app, you might need the POP, IMAP, or SMTP settings. You can find them below or by viewing them in your Outlook.com settings.

Use these privacy settings to manage how others see a member’s Xbox profile, who can communicate with them, and how they can interact with their content. Note To manage a member's settings, the account must be added to the console before proceeding with the steps below.

Customers who run .NET Framework applications that rely on Transport Layer Security (TLS) 1.2, such as Intuit QuickBooks Desktop, may experience connectivity failures after they upgrade their system to a newer version of Windows. Symptoms. Consider the following scenario:

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

当协商 TLS_DHE_* 密码套件时，尝试与不支持扩展主密钥 (EMS) 的设备进行传输层安全 (TLS) 连接的 Windows 设备可能会间歇性地在 256 次尝试中失败约 1 次。 若要缓解此问题，请按照优先顺序实施下列解决方案之一：

A digitally encrypted message can only be opened by recipients who have the correct key. A digital signature assures recipients that the message hasn’t been tampered with. Notes: Outlook on the web requires a Windows desktop device to support S/MIME.

The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.