SHELL

snapd install

$ sudo apt update
$ sudo apt install snapd
$ service snapd start
sudo snap install core

install snap

sudo apt install libsquashfuse0 squashfuse fuse 
sudo apt install snapd
sudo snap install postbird

snap install package

$sudo snap install vlc #installs a package (with administrator rights)
$ sudo snap switch --channel=stable vlc #installs a package from a certain channel

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#To find package before installing 

$ snap find "media player" #outputs packages matching the search term 
$ snap info vlc #outputs detailed infos to a package

Installing Snap Store

$ sudo snap install snap-store