What is the GOG Galaxy client and how do I use it?

The GOG Galaxy client is a platform developed by GOG.com to enhance the gaming experience on their site. It allows users to easily access and manage their games, updates, and social connections in one place. To use it, simply download and install the client from the GOG.com website. After installation, create a GOG.com account or sign in with your existing one. Once logged in, the client will automatically detect games in your GOG.com library and enable you to download and install them with a single click. It also offers features like automatic updates, cloud saves, and in-game overlay. GOG Galaxy client provides a hassle-free way to organize and enjoy your GOG.com games conveniently.