sharepoint - How to add farm solution without using Visual Studio, PowerShell or Stsadm -

i have farm solution wsp want add , deploy on client's sharepoint farm.

now don't have remote access sharepoint machine have full admin rights central admin , related site collection, , can open central admin , sites through machine.

now per knowledge farm solution added sharepoint farm , not site collection, not find screen in central admin can add solution.

this case both sharepoint 2010 , sharepoint 2013 servers.

what possibilities?

basically, sounds need add , deploy farm solution using central admin? don't think possible. if step 1 msdn

adding: solution package added farm administrator farm's solution store, in farm's configuration database. done either sharepoint management shell (or object model). it cannot done in central administration.