After launching the browser, click the "Menu" button in the upper left corner and pick "Settings" from the dropdown menu. On a Mac, choose "Opera" and then "Preferences."
"Privacy & Security" is located on the left side of the Opera settings page. To access and activate the Opera browser VPN, click on it.
Scroll down to “VPN” section. Check the Enable VPN box and this will activate VPN in Opera.
Once active, a blue VPN badge will appear on the left side of the address bar.
You may utilise the blue VPN button as needed while searching the web by clicking on it. From there, you may toggle the Opera VPN on and off anytime you want. You may also choose your location or leave the "Optimal Location" setting alone.