Windows installer versions


The information in this topic identifies the additions và changes that are available in Windows Installer 5.0.

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Windows Installer 5.0 is included with the following versions of Windows:

Client: Windows 7 & all later versions.Server: Windows Server 2008 R2 và all later versions.


There is no redistributable for Windows Installer 5.0. For a danh sách of redistributables available for previous versions of Windows Installer, see Windows Installer Redistributables. For a complete danh mục of Windows Installer versions, see Released Versions of Windows Installer.

This page is provided as a guide to lớn the documentation. You should refer to lớn the Requirements section on the main reference pages to determine the actual operating system requirements. Parts of the Windows Installer that are not linked khổng lồ from this page may be available in another version of the Windows Installer. For information about other Windows Installer versions, see What"s New in Windows Installer.

Standard Actions

Installer Functions

Column Data Types


Summary Information Properties

Database Tables



Internal Consistency Evaluators - ICEs

Automation Interface

Properties of the Installer Object

Properties of the Components Object

Properties of the Client Object

Properties of the ComponentInfo Object


Setup developers can use Windows Installer 5.0 to lớn author a single installation package capable of either per-machine installation or per-user installation of the application. For more information, see Single Package Authoring. The internal consistency evaluator ICE105 checks that the package has been authored lớn be installed in a per-user context. An application capable of being installed, updated, run, & removed by a standard user without elevation is called a Per-User Application (PUA.) A PUA can provide a better user experience, minimize effects on the system & other users of the computer, & reserves UAC prompting to situations that actually require the elevation of the user"s privileges. The Single Package Authoring features of Windows Installer 5.0 can facilitate the development of Per-User Applications.

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Services configuration options enable a Windows Installer package khổng lồ customize the services on a computer. For more information, see Using Services Configuration.

Beginning with Windows Installer 5.0, a Windows Installer package is capable lớn secure new accounts, Windows services, files, folders, và registry keys. The MsiLockPermissionsEx table can specify a security descriptor that denies permissions, specifies inheritance of permissions from a parent resource, or specifies the permissions of a new account. For information, see Securing Resources.

Windows Installer 5.0 can enumerate all components installed on the computer and obtain the key path for the component. For more information, see Enumerating Components.

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Windows Installer 5.0 running on Windows Server 2012 or Windows 8 supports the installation of approved apps on Windows RT. A Windows Installer package, patch, or transsize that has not been signed by cannot be installed on Windows RT. The Template Summary property indicates the platform that is compatible with the installation database and should include the value for Windows RT.

Windows Installer 5.0 running on Windows 10 on Arm64 processors supports the installation of applications compiled specifically for the Arm64 platform. The Template Summary property of these packages needs khổng lồ include the value Arm64. 

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