1. Install BitDefender Totalsecurity 2009 on your machine, Restart after installation completed
2. Maked sure that BDTS is working fine in trail mode for 30 days
3. Double click on patch, select the installed product and Now press ok
4. Patch will asks to restart your Pc, Restart your PC Manually.
5. After Restarting Your Trail version will be full version for year 2047
6. Now you can Update online also !!!!
Note: This patch will automatically give a key for 14368 days. No need of keygen