Installing Toolkit for Kentico’s extensions using NuGet packages is the preferred method for installation. Follow the instructions here to install, update, or remove Toolkit for Kentico extensions or the agents required for Compare and Search.
The Classic installation method utilizes Kentico’s object or package import process and should only be used on non-compiled portal engine sites. The link below will show you how to install the base Toolkit for Kentico package. After that, you can use the extension to install and update additional Toolkit for Kentico extensions.