Package location in the server

Hi guys, I spent hours trying to locate my packages in the server but I can't find them. I use the catalog, SSISDB. Everything works fine, I deploy the project, I see the packages, I set up agent, etc.

Just...where are the dtsx in the server? I tried ProgramFiles ==> SQLServer==> etc. and ProgramFiles(x86) ==> SQLServer==> etc. but nothing. My SQL version is 2016.

Thanks