![]() It provides a new infrastructure that works with standard user privilege (not elevated) and is designed to enable users and applications to manage per-user defaults. Support for Previous Windows Operating System Versionsĭefault Programs is a feature introduced in Windows Vista, accessible directly from the Start menu as well as Control Panel.Avoid AppCompat Warnings or Blocks from the Program Compatibility Assistant.Avoid Triggering Per-User Virtualization. ![]() Verifying Defaults and Asking for User Consent.Registering for Application Entry Points.Set Program Access and Computer Defaults.Links are provided to more in-depth articles about each section's topic. This topic provides independent software vendors (ISVs) with a quick guide to the steps necessary to register and manage application defaults in Windows Vista and later. On systems running Windows 8, a newly created user account relies on per-user defaults from the start and the setting of those defaults on first run as explained in the Application First Run and Defaults section is no longer supported.Īn application must register with both SPAD and the Default Programs feature to be offered as the default program in Windows Vista and later.In addition, when an application is run for the first time, per-user defaults can be set using the guidelines that follow in the Application First Run and Defaults section. In Windows Vista and later, users can use the Default Programs item in Control Panel to set or change their per-user defaults. On systems running versions of Windows earlier than Windows 8, a newly created user account receives per-computer defaults until per-user defaults are established.SPAD also changed in Windows 8 to set per-user defaults. ![]() As of Windows 8, the extensibility system for file type and protocol defaults is strictly per-user and per-computer defaults are ignored. If per-user default settings are present, they take precedence over corresponding per-computer defaults for that account. ![]() Per-user default settings are specific to an individual user account on the system. For more information, see the section on Changes to how Windows 10 handles default apps in this post. The way that default file associations work changed in Windows 10. This topic does not apply for Windows 10.
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