NET SDK or runtime.NET installations support most popular package managers. NET using a package manager, use that same package manager to uninstall the. If you have a preview version installed, uninstall it. The package manager update or refresh commands will automatically remove the older version upon the successful installation of a newer version. NET SDK when upgrading it using a package manager, unless you're upgrading from a preview version that was manually installed. NETįor Red Hat installations, consult the Red Hat Product Documentation for. For more information, see How to check that. Use dotnet -list-sdks to see the list of installed SDKs and dotnet -list-runtimes for the list of runtimes. NET CLI has options you can use to list the versions of the SDK and runtime that are installed on your computer. Unless your application has specific reasons for earlier SDKs or runtimes, you may safely remove older versions. Instances where you might want to keep older SDK or runtime versions include maintaining project.json-based applications. In general, you only need the latest SDK and latest patch version of the runtimes required for your application. NET SDK generally maintain the ability to build applications that target previous versions of the runtime in a compatible manner.

NET across updates enables safe removal of previous versions.NET runtime updates are compatible within a major version band such as 6.x and 5.x. NET version selection behaviors and the runtime compatibility of. Removing older versions of the runtime may change the runtime chosen to run shared framework applications, as detailed in the article on. NET runtime and SDK, you may want to remove outdated versions of. Over time, as you install updated versions of the.

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