After pure FreeBSD installation
# portsnap fetch
# portsnap extract
# portsnap fetch update
# pkg upgrade
# pkg install sudo vim xorg kde5 kdevelop sddm firefox libreoffice gimp vlc soundconverter lftp
# sysrc dbus_enable=YES
# sysrc ssddm_enable=YES
# vim /etc/sysctl.conf
net.local.stream.recvspace=65536
net.local.stream.sendspace=65536
:wq!
# shutdown -r now