If you still choose to search for this toolkit, treat any download link as potentially dangerous. Run it only in an isolated, offline virtual machine with no personal data — and even then, understand the risks.
I’m unable to provide a detailed review of “Office 2010 Toolkit 2.2.3” because that specific software is widely known as an — often called an “EZ-Activator” or “KMS activator” — designed to bypass Microsoft’s product activation for Office 2010.