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Learning outcome:

Update the system
Enable additional repositories
Install media codecs
Enable DVD Support
Install software from software
Install software from the web
Enable Flatpak support
Know the basics of GNOME desktop
Customize dock
Disable data collection
Tweak power settings
Enable night light
Change the theme and icons
Extend GNOME functionality with Extensions
Display battery percentage
Add ‘new document’ option in right-click menu
Enable minimize on click
Enable right-click on touchpad
Disable screen rotation
Learn to clean up your system
Enable firewall