The phrase (Russian: скачать бесплатно ) translates to "FB2 download for free." It refers to the FictionBook 2.0 format, an open XML-based eBook standard that has dominated the digital landscape in Russia and CIS countries for over two decades [ 1.3.1 ]. 📖 What is FB2?

: Text automatically reformats to fit any screen size, from small smartphones to large tablets [ 1.3.4 ].

: High-quality, modernly formatted editions of public domain works [ 1.4.7 ].

If you tell me you are interested in or which device you use, I can recommend the best reader app or a specific library for you.