PREREQUISITES: Before upgrades, always backup your project and its database. In addition, make sure you are familiar with the API changes for the Sitefinity CMS release you are upgrading to. For more information, see API breaking changes in Sitefinity CMS 11.0. If you are upgrading trough several releases, check the API changes for all releases. For more information, see Reference: API breaking changes in previous releases.
Use the following procedures to upgrade your current version of Sitefinity CMS to any other higher version.
RECOMMENDATION: We recommend that you always upgrade to the latest version.
However, you may want to upgrade to any other version. For example, you may want to upgrade from Sitefinity CMS 5.2 to 8.1.
There are two ways to upgrade a Sitefinity CMS project to a later version:
IMPORTANT: If your project uses NuGet packages, you must not upgrade it using the Project Manager. In this case, if your project is on Sitefinity 7.3 or below upgrade it to Sitefinity CMS 8.0 using the Project Manager, then upgrade it to 8.1 and above using a NuGet package.
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