Now there are a huge number of different and quite modern solutions, but probably the best, most effective, and popular is one way privacy film. With this film from the company
https://www.window-film-shop.com/window-film/privacy-window-fi/one-way-privacy-win-film you can achieve both privacy and the maximum amount of light entering your room. These films have a translucent coating that allows plenty of natural light to enter while concealing the view from the outside. They create soft and diffuse light, creating a bright and inviting atmosphere while providing privacy. Frosted window films come in a variety of patterns and designs to give your windows an elegant and stylish look. They are easy to install and can be applied to any glass surface, including windows, glass doors and even shower enclosures.