Ok ill help you out guys...
1. Download the game and the update
2. Unzip the game in any place you want
3. Unzip the update, cut all the files and paste them in the game folder
4. If you want to overwrite, say yes
You have the game now.
And now for the Master Server problem...
1. Copy the new IP from the main page
2. Open the MasterServerAt.cfg with the notepad
3. Delete the old IP from it
4. Paste the new IP
And now you can play!