réinstallation de photoshop elements

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Adobe stuff has been subscription based since 2013. Are you talking about Photoshop elements 2019?

You could not purchase a permanent license for Adobe Creative Cloud apps in 2019, as it has always been a subscription-based service. However, you could purchase a Creative Cloud subscription that gives you access to the apps, and a 2019 release of the software was available during that time. 

Photohshop has been subscription based since 2013.