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How to activate an Adobe Photoshop CS5.1 key?

Redeeming an Adobe Photoshop CS5.1 key is really simple, just follow these steps: 

  1. Download both links and run the .exe file to proceed with the installation.
  2. Activate the product using the serial number.

For the English language use these links: https://trials.adobe.com/AdobeProducts/legacy/99CABBAC-C975-4A06-8D99-064C6871EE80/PHSP/12_1/win32/Photoshop_12_1_LS1.exe


For other languages use these links:



The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions: