I would install/explode it in your home directory’s .lv2 directory.
Are you using Robin/x42’s x42-convolver? Running the install-lv2.sh? If yes, don’t run as root, and you’ll get something like this:
** convo.lv2 **
A previous system-wide installation was found in:
This is likely from a GNU/Linux distribution.
LV2 hosts automatically pick the lastest version of any given plugin,
so duplicate plugins are not likely to cause any issue.
However, you may want to stay with your distro’s version.
Continue install? [y/n]: y
Install Plugin to ~/.lv2 ? [y/n]: y
Installing to ~/.lv2:
‘convo.lv2’ -> ‘/home/me/.lv2/convo.lv2’
‘convo.lv2/manifest.ttl’ -> ‘/home/me/.lv2/convo.lv2/manifest.ttl’
‘convo.lv2/convoLV2.so’ -> ‘/home/me/.lv2/convo.lv2/convoLV2.so’
‘convo.lv2/convoLV2.ttl’ -> ‘/home/me/.lv2/convo.lv2/convoLV2.ttl’