Vivaldi
When Opera was sold to a Chinese firm in 2016, the old guard of Opera devs decided to revice the “old” Opera browser. The browser is called Vivaldi, pretty close to what Opera looked like – and available in Gaelic.
It’s easy enough, you download it and it should ask what your preferred language is during installation:
But if you missed that, not to worry. Click the wee Vivaldi logo at the top and open Tools » Settings:
Select Gàidhlig and save:
You have to restart Vivaldi but that’s it, you should have Vivaldi in Gaelic now!