Firstly upload the
Upload folder in your Ftp Root Folder..
Then Edit your Config.php.new file and rename it to Config.php..
Then Chmod all you files to 0777..
Then point you browser to
www.mysite.com/keygen.php and get the license number and customer number.. Save the both numbers..
Then Install you vbulletin by going
www.mysite.com/install/install.php ..
It will ask for the license number Or customer number.. put their the number and it will install ...
Finaly remove the keygen.php, install.php and chmod back to 750.
You are done!!