Just replace the sugars and starches in your diet with vegetables, meat, fish, eggs, nuts and fats.
Seems pretty straightforward, unless you don’t eat meat.
Conventional low-carb diets rely heavily on meat, which makes them unsuitable for vegetarians.
However, this does not need to be the case.
Everyone can follow a low-carb diet, even vegetarians and vegans.
This article shows you how to do it.