How to Install Opera Browser on Linux Debian 9 Stretch

Opera is a web browser for Windows, macOS, and Linux operating systems developed by Opera Software. Opera includes built-in tabbed browsing, a bookmarks bar, add-ons, and a download manager. Opera also has "Speed Dial", which allows the user to add an unlimited number of pages shown in thumbnail form in a page displayed when a new tab is opened. Speed Dial allows the user to more easily navigate to the selected web pages. Debian 9 (Stretch) was released on June 17, 2017, contained more than 51,000 packages.[32] Major upgrades include the Linux kernel going from version 3.16 to 4.9, GNOME desktop version going from 3.14 to 3.22, KDE upgraded from KDE 4 to Plasma 5, LibreOffice 4.3 upgraded to 5.2 and Qt upgraded from 4.8 to 5.7. LXQt has been added as well. The Intel 586 (Pentium), Intel 586/686 hybrid (Pentium with MMX) and PowerPC architectures are no longer supported as of Stretch.