Question about windows servers support platform for Tomcat 7 and Tomcat 9

[Terry ST SY/OGCIO]

Dear Support,

We are using Tomcat 7 with Windows Server 2012 R2 at our servers and planned to 
upgrade tomcat and windows platform.

Can you update us the windows support platform for Tomcat 7 and Tomcat 9 for 
our ease planning.

Regards,
Terry