Office 2010 Toolkit 2.2.3 Thmyl [upd] Link

Running the "Office 2010 Toolkit.exe" file with administrator privileges.

Instead of using unofficial toolkits, consider these legitimate approaches: Office 2010 Toolkit 2.2.3 thmyl

If budget constraints prevent purchasing a license, several highly compatible, open-source, and free suites exist: Running the "Office 2010 Toolkit