Issue with old Photoshop CS

I will simply post my conversation with tech as it has all the details.

shering: As I understand that you are not able to activate the software is that correct?

john byrna: Yes, but it was previously activated on the same computer before

Tshering: Thank you for confirming your issue.

Tshering: I will be glad to check your issue and will help you accordingly.

info: Your chat transcript will be sent toNUTRITIONHEALTHREVIEW@GMAIL.COM at the end of your chat.

Tshering: May I have your serial number?

john byrna: 104512028591077470608830

Tshering: Thank you

Tshering: Please allow me 1-2 minute(s) to review your account details.

Tshering: I have checked your serial number and it is for Photoshop CS for window.

Tshering: The software is old version.

john byrna: Correct

Tshering: https://helpx.adobe.com/creative-suite/kb/cs2-product-downloads.html#

Tshering: You can download the link I have provided you above and you will get the new serial number from same link

john byrna: Will i be able to activate without internet? My office computer does not have internet access.

Tshering: In order to activate software,  you need a Internet.

Tshering: Is there anything else I can help you with?

john byrna: I didnt have internet before and was able to have this software working. It gave options for phone/mail activation. Is there anyway without internet to get photoshop working for me again?

Tshering: Yes, You can do that.

Tshering: If you need more help, Please visit adobe forum.

john byrna: So i dont need the internet?

Tshering: The separate support team will help you regarding your issue as they are well trained on older version.

Tshering: Please visit Adobe User Forums athttp://www.adobe.com/support/forums