Installation Key Quicken Xg How Do I Instal Star Wars Knights Of The Old Republic 2 Without The Installation Key?

How do i instal star wars knights of the old republic 2 without the installation key? - installation key quicken xg

I was wrong. If I were not a patch if you have tried to uninstall and reinstall, but now it is common practice to install. I lost the key installation. How can I retrieve it? I still saved on my computer.