[1] Update package source list
echo "deb https://download.sublimetext.com/apt/stable/" | sudo tee /etc/apt/sources.list.d/sublime-text.list
[2] Fetch package
wget -qO - https://download.sublimetext.com/sublimehq-pub.gpg | sudo apt-key add -
[3] Run update Command
sudo apt update
[4] Finally run following command to install Sublime-Text :
sudo apt install sublime-text
[5] That's it !!