[STICKY] How to install xscreensaver in Zorin 6

1) First remove the gnome-screensaver.
Open terminal and write:

Code:

sudo apt-get purge gnome-screensaver

2) Then install the xscreensaver
Open terminal and write:

Code:

sudo apt-get install xscreensaver xscreensaver-gl-extra xscreensaver-data-extra

Then go to start>system tools>preferences>startup applications.
Click on "add" and write the following:
Name: xscreensaver
Command: xscreensaver -nosplash

Reboot and next time you login you can find the screensaver in start>system tools>preferences>screensaver where you can choose the screensaver you like and adjust its settings.