Serial is not valid for this product

[pkaswork5EBE]

After reinstall windows we have to reistall Adobe CS 5.5. Enter serial number on page product. Download product from https://account.adobe.com/products .  And get error message when trying to install.

[AxelMatt]

Please take a look here:

https://community.adobe.com/t5/download-install/this-serial-number-is-not-valid-for-this-product/td-...

https://helpx.adobe.com/creative-suite/kb/error-serial-number-valid-product.html

If this doesn't help we need more informations about your system:

Operating system and version number 
The full text of any error message (s), if possible screenshots of the error message.

To insert screenshots, please use the "Insert Photos" icon in the toolbar, so that we don't have to download them.