This tutorial on video (1 min, no sound):
The recipe:
sudo dpkg --add-architecture i386
wget -nc https://dl.winehq.org/wine-builds/winehq.key
sudo apt-key add winehq.key
sudo apt-add-repository 'deb https://dl.winehq.org/wine-builds/ubuntu/ disco main'
sudo apt install --install-recommends winehq-staging
rm winehq.key
Then, test it with:
wine --version
wine-4.12.1 (Staging)
PS: This tutorial is based on the official instructions: https://wiki.winehq.org/Ubuntu (opens new window).