This tutorial is going to show you how to install Opera Developer 25.0 on Xubuntu 14.10, Xubuntu 14.04. Opera is a web browser alternative to Firefox and Google Chrome. I am not sure why the Opera team called this as Opera Developer. I think because it still in development, so they put Developer at the end of the name. Because Opera Developer 25.0 is available in DEB format, we can easily install Opera Developer 25.0 on Xubuntu 14.10. Simply follow these steps to install Opera Developer 25.0 on Xubuntu 14.10, Xubuntu 14.04.
Open Terminal and type the following commands
sudo dpkg -i opera-developer_25.0.1606.0_amd64.deb
Choose Yes when asked during installation
Once finished, you can start using Opera Developer 25.0 on Xubuntu 14.10