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You can upgrade and hotfix Kentico instances using Kentico Installation Manager. There are two actions related to these tasks on the main panel:
Getting hotfix packages for the source code version
If you need to hotfix the source code version, please contact us at support@kentico.com.
Hotfixing with files in deployment or source control mode
If your system stores virtual objects on the file system (due to enabled deployment mode or source control options), you need to return the files to the database before you apply the hotfix.
Re-enable deployment mode or source control after you finish the hotfix procedure.
Select an instance (or multiple instances) you want to upgrade or hotfix in the list.
Click Upgrade/Hotfix.
Select an upgrade/hotfix from the tree on the left.
Select the instances you want to apply this upgrade/hotfix to.
Click on one of the following buttons: