You can find the answers to many questions here, it’s very likely someone before experienced the same problem as you do. Otherwise you can also submit an issue ticket and wait for our help.
This article concerns Windows users only
One of possible reasons why plug-in doesn't show up on plug-ins list may missing runtime library required by the plug-in, that usually is pre installed. You may download and install those libraries manually. Depending on version of host application please download and execute appropriate installation file (32bit or 64bit).
In first place install runtime library package from the year 2010:
If still no success, then try newer version from the year 2013:
If version from 2010 works, do not attempt installing version from 2013
Use the search or contact our staff:Submit a ticket