This plugin allow you see the new members that join your site within given time set by yourself in settings.
To install you just need upload XML file (Admin CP > System > Site Features > Plugins > Install)
To upgrade you just need upload XML file (Admin CP > System > Site Features > Plugins > Upgrade)
You need change settings in Block Manager on front end
Sorry, but you need at least 25 posts and 5 hours online time to unlock hidden content.