No! Never move anything to Program-Files!
Program-Files should be understood as a User never use library
It is excluesively meant for usage by Windows it self!
do not copy anything to Program-Files.
S/l Karma will bite you
Besides that, since you are new in Forum
Welcome Pogoda !
Here are all important links:
http://lmms.io/forum/viewtopic.php?f=1&t=4740
-A few rules and useful forum instructions
If you like to introduce yourself, to the community, go here:
http://lmms.io/forum/viewtopic.php?f=4&t=4480
PS dont gravedig. The post is from 2016, and LMMS support VST in complete different ways now