Download the update
Click the button Download DEB above and wait until Blisk downloads.
Use terminal to install an update
Quit launched Blisk application.
Launch the Terminal and navigate to your Downloads folder (e.g. Home/Downloads) from the Terminal.
Execute a command from a Terminal:
sudo apt install ./BliskInstaller_NEW-VERSION.deb, where NEW-VERSION is a version that appears in
the name of the downloaded file (e.g. 22.214.171.124).
Launch updated Blisk
After installing an update, you can run Blisk normally as a regular application.