I follow the step:
https://wiki.winehq.org/Ubuntu
but failed
new user can only put two link in a post so I use XXX
widon@widon-X555YI:~/Desktop$ sudo dpkg --add-architecture i386
widon@widon-X555YI:~/Desktop$ wget -nc XXX
File ‘Release.key’ already there; not retrieving.
widon@widon-X555YI:~/Desktop$ sudo apt-key add Release.key
OK
widon@widon-X555YI:~/Desktop$ sudo apt-add-repository XXX
widon@widon-X555YI:~/Desktop$ sudo apt-get update
…
Err:5 https://dl.winehq.org/wine-builds/ubuntu artful Release
404 Not Found
Hit:6 http://security.ubuntu.com/ubuntu artful-security InRelease
Reading package lists… Done
E: The repository ‘https://dl.winehq.org/wine-builds/ubuntu artful Release’ does not have a Release file.
N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.