While the search for "free" is understandable, consider the published by the Datta Temple and Bhakta Samajam . The physical book (or a paid eBook) offers:
If you're interested in spirituality, self-realization, or simply want to deepen your understanding of the human experience, do download and read "Sri Guru Charitra" in English. I assure you that it will be a transformative experience. sri guru charitra in english by ekkirala bharadwaja pdf free