You can try searching for free online resources, such as PDFs, audio files, or language learning websites that offer materials for the B1 level.
Public and university libraries remain the most underutilized free resource. Many libraries, especially in German-speaking countries or institutions with strong language programs, hold physical copies of Menschen B1 (Kursbuch and Arbeitsbuch). Furthermore, digital lending platforms—such as Onleihe (offered by many German city libraries) or cloudLibrary—allow registered users to borrow e-book versions and stream accompanying audio materials for free. Non-residents can sometimes join libraries remotely for a small annual fee, which is far cheaper than buying the book. menschen b1 free download
If you're looking for a specific download link, I couldn't find any official sources that provide a free download of "Menschen" B1. You might want to consider purchasing the textbook or accessing it through a library or educational institution. You can try searching for free online resources,
To fully master the B1 level, you should ideally have access to: You might want to consider purchasing the textbook