The new installer is currently available for both Ubuntu and Fedora based distros (.deb and .rpm packages) only, power-users can compile from source code.
Install Intel graphics installer
To install, download the appropriate package for your distro and hardware, after the download finished, just double click on the downloaded file and install. You can run the Intel Graphics Installer for Linux through your application dashboard. Power-users can use the command:
Remember, no matter what you do, don’t try to ‘force’ package upgrades, in case you encounter problems along the way, this may break your system and might eventually ‘force’ you to re-install or do other time-intensive remedies, so be careful about that.
For known issues and bugs, check out the full release page notes.