1. Close internet connection.
2. Install application by running "vegaspro12.0.367.exe"
3. Copy "vegas.pro.12.-patch.exe" from the folder "patch - KHG" and
paste it in to the installation folder. Run it and click on the
"patchT button. Installation folder is generally ;
C:Program FilesSonyVegas Pro 12.0
4. Use your firewall to stop internet connection of application.
Don't update it. You may use it without firewall with your risk.