1. Install Photoshop CS3 then reboot if it requires you to do so after installation.
2. Unpack the file. It contains sn.txt and keygen.exe.
3. Run first the keygen before running photoshop the first time after installation.
4. Open sn.txt. Select any of the serials listed.
5. On activation. Select activation by phone. Then copy the activation number.
6. Paste the activation code on the keygen.
7. Click generate serial (you wont need this just do it). Click generate activation code.
8. Enter the generated code to the Activation Window. Click Activate. You will get an error.
9. Change the last 4 digit to 6495. Done!
Lots more keys.
SOME AV MAY DETECT AS VIRUS, JUST LIKE EVERY OTHER KEYGEN.