PhotoShop

Cloud Manager to install all programs https://www.adobe.com/ie/creativecloud/desktop-app.html
-https://community.adobe.com/t5/get-started/how-to-activate-your-adobe-software/td-p/9636861?page=1

Please give us more informations including the following : 

Adobe product and version number 

Operating system and version number 

The full text of any error message (s) 

What you were doing when the problem occurred 

Screenshots of the problem and/or error messages 

Computer hardware, such as CPU; GPU; the amount of RAM; etc 

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

Thanks. The above info will help us in trying to solve your problem.