Hi, Welcome to the Forum vishalnickson !
Here are all important links:
http://lmms.io/forum/viewtopic.php?f=1&t=4740
-A few rules and useful forum instructions
Yes indeed, but what OS are you on?interface cutting off the left and top sides.
RC6 is available with VST support for windows and linux,
https://lmms.io/download/#windows
but not for OSx
RC is the orange buttons!