Can you please state your requirements clearly?
Thanks for your feedback, I use the vSphere Web client that request the Flash Player Plugin, I have some server located in a network that have no access to the internet (banking service).
This is the reason of my question, what can I do to get this plugin as executable in order to install it to my server in the protected area.
Based on your comment, I'm interpreting that you want to distribute Flash Player within your organization. If so, you'll need to license Flash Player for this purpose. You can apply for the license here Adobe Flash Player Distribution | Adobe. After applying to distribute Flash layer within your organization you'll receive an email with a unique URL to download the installer files that you can use to install on non-network connected machines.