Export the lasted version of the live site into staging environment.
Add and test 2 or 3 plugins for compatibility issues..
(test for malware) if all tests pass
export the new build with tested new plugins back to the live site.
17 szabadúszó tett átlagosan $70 árajánlatot erre a munkára
yes, let's clarify the requirement in details also if you want us to share our skill and previous work let us know.. hope to hear you soon.. Thanks & Regards RIMSHA