How to activate an Adobe CS4 Master Collection for Windows key?

Redeeming an Adobe CS4 Master Collection for Windows key is really simple, just follow these steps:

1. Download all three links first and then run ADBESTAMCS4_LS1.exe file to proceed with the installation

• link1
• link2
• link3

Enter and activate the code after installing the software. 

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: 

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content