Using Group Policy as described here is the supported method of updating the cipher suite priority ordering. Updating the registry settings for the default priority ordering isn't supported.

Click Start, click Run, and then type gpedit.msc. Under Local Computer Policy, expand User Configuration, expand Administrative Templates, expand Desktop, and then click Active Desktop.

To help make customers aware that they are editing a user right or security option that could have adversely affect their network, two warning mechanisms were added to gpedit.msc.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it.

Fixes an issue that occurs when you add a group Managed Service Account into user rights assignment policies through gpedit.msc in Windows 8.1, Windows Server 2012 R2, Windows 8 or Windows Server 2012.

Assume that you create a Wireless Group Policy Object (GPO) through Group Policy Management Console (GPMC) that runs on a site that does not contain a primary domain controller (PDC) in Windows 8.1, Windows Server 2012 R2, Windows 7, or Windows Server 2008 R2.

Discusses how to use Group Policy to configure Windows Update Delivery Optimization in Windows 10.

When you try to open a Microsoft Management Console snap-in that involves security policies (such as Local Security Policy, Group Policy, or Domain Security Policy), the console may not open, and you may receive an error message similar to one of the following error messages:

Fixes an issue in which an error occurs when you open gpedit.msc in Windows 7. This issue occurs because the system can't parse the Internet Explorer policy definition.

Fixes an issue in which you receive warning messages when you try to open gpedit.msc or secpol.msc. This issue occurs on a Windows Embedded 8 Standard-based computer that is configured to use Japanese as the primary language.