sudo snap install --classic code # or code-insiders

sudo apt update

sudo apt install software-properties-common apt-transport-https wget -y

Import the GPG key provided by Microsoft to verify the package integrity.

wget -q https://packages.microsoft.com/keys/microsoft.asc -O- | sudo apt-key add -

sudo add-apt-repository "deb [arch=amd64] https://packages.microsoft.com/repos/vscode stable main"

sudo apt install code

https://code.visualstudio.com/docs/setup/linux