Thank you for contacting us.
Please follow the link below, click on "Download Installer and Other Resources" and than "Download Installer (...)" for the product you wish. Run the installer and follow the installation wizard. It will upgrade your product.
I would also recommend you to use our Control Panel tool. It is a web installer which manages all of your products. Click on "Download" for any product (it leads to the same Control Panel tool). Here is a link:
Please let me know if you need further assistance.
the Telerik team
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