Packages and installation files are available at Releases page. Alternatively you can install the app with one of the following methods.
On Windows you can install Chocolatey package.
On OS X you can use Homebrew to install the app.
brew cask install copyq
On Debian unstable, Debian 10+, Ubuntu 18.04+ and later derivatives can install stable version from official repositories:
sudo apt install copyq # copyq-plugins and copyq-doc is splitted out and can be installed independently
On Ubuntu set up the official PPA repository and install the app from terminal.
sudo apt install software-properties-common python-software-properties sudo add-apt-repository ppa:hluk/copyq sudo apt update sudo apt install copyq