My Opera browser looks like this:
I want it to look like this:
How can I make that happen?
Version: 46.0.2597.57 - Opera is up to date
Update stream: Stable
System: Linux Mint 18.2 (x86_64; XFCE)
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36 OPR/46.0.2597.57
Most obvious way - in the start page dock the sidebar. That will change the menu button, but the sidebar will be present on all pages. No other official way.