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Installing Visual Studio Versions Side-by-Side

You can install this version of Visual Studio on a computer that already has an earlier version installed. If you encounter an installation failure, you can use the log collection toolto collect information about the failures so you can debug the issues yourself.

Note Note

We recommend that you install Visual Studio versions in the order in which they were released. For example, install Visual Studio 2013 before you install Visual Studio 2015.

Before you install versions side by side, review the following conditions:

  • If you use Visual Studio 2015 to open a solution that was created in Visual Studio 2013, you can later open and modify the solution again in the older version as long as you haven't implemented any features that are specific to Visual Studio 2013.

  • If you try to use Visual Studio 2015 to open a solution that was created in Visual Studio 2013 or an earlier version, you might need to modify your projects and files to be compatible with Visual Studio 2013. For more information about project types and backward compatibility, see Porting, Migrating, and Upgrading Visual Studio Projects and Visual Studio Project Converter.

  • If you uninstall a version of Visual Studio on a computer that has more than one version installed, the file associations for Visual Studio are removed for all versions. You can remap these file associations by using the Restore File Associations button on the Environment, General page of the Options dialog box.

  • Visual Studio doesn't automatically upgrade extensions because not all extensions are compatible. You must reinstall the extensions from the Visual Studio Galleryor the software publisher.

For more information, see Porting, Migrating, and Upgrading Visual Studio Projects.

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