If you are upgrading from a version of Photoshop prior to Photoshop 4.0, you will need to contact customer service at 80. Note: the serial number you used to install previous versions of Photoshop will not work to install Photoshop 7.0. If you are upgrading from an earlier version of Adobe Photoshop, you will need to use the new 24-digit serial number which you can find on the inside cover of your CD holder that comes with the Photoshop 7.0 upgrade package. 0000 0000 0000 0000 0000 0000) on the registration card or on the inside cover of your CD holder. You can find the 24-digit serial number (e.g.
