Install auto-install-el by entering the following commands in the terminal:
sudo apt update sudo apt install auto-install-el
Auto install elisp file
Effortlessly download, install, and update Elisp files from the web or from a local buffer. . Easily install packages from the Emacswiki ElispArea (with auto-complete of package name, and easy update of selected packages). . Optionally view changes from previous versions of packages before installation.