Product Key saying invalid for CS4

New Here ,
Feb 08, 2021 Feb 08, 2021

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I purchased Adobe CS4 many years ago and am trying to install it on my new computer. Now when I get to the product key part of installation it is telling me I have an "invalid product key". I am 100% sure this is the correct product key as it was previously installed on my old computer. Can someone explain why this is happening now?

 

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Adobe Community Professional ,
Feb 08, 2021 Feb 08, 2021

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1 - did you DE-activate before so your two allowed activations are available?

2 - where did you buy, and are you sure it was from an authorized dealer?

3 - read below

 

Invalid Serial Number https://community.adobe.com/t5/Get-Started/I-purchased-CS5-years-ago-but-attempts-to-download-it-now...
-https://helpx.adobe.com/x-productkb/global/invalid-revoked-serial-numbers.html
-and revoked volume number https://community.adobe.com/t5/Get-Started/Feeling-cheated-CS6-serial-number-revoked/td-p/9807405
-Problems with software validation https://community.adobe.com/t5/Get-Started/Has-anyone-had-a-POP-UP-problem-I-get-a-pop-up-window-tha...
-Warning that software is not genuine http://www.adobe.com/genuine.html

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New Here ,
Feb 08, 2021 Feb 08, 2021

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Hmm I will see if I can get the old laptop up and running and deactivate it. I didn't know it was limited to 2 activations so maybe that is it. Can't ever recall installing it on a second computer though, but seems the most likely scenario. I bought directly from Adobe and have the hard discs so I know it is reputable, just a very long time ago haha. 

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Adobe Community Professional ,
Feb 08, 2021 Feb 08, 2021

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Did you check your Adobe account to ensure you have the correct serial number for that product?

https://account.adobe.com/products

Was CS4 an upgrade?  I ask because if it was, you'll probably need the qualifying product's serial number.

 

 

Nancy O'Shea, Adobe Product User & Community Professional
Alt-Web Design & Publishing ~ Web : Print : Graphics : Media

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New Here ,
Feb 08, 2021 Feb 08, 2021

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I believe it is the correct serial number since I am installing off of a disc, not an upgrade. I purchased it as an extenson of the 30-day trial about 10 years ago. 

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