Beowulf is the conventional title of an Old English epic poem consisting of 3182 alliterative long lines, set in Scandinavia, the oldest surviving epic poem of Old English and thus commonly cited as one of the most important works of Anglo-Saxon literature, and also arguably the earliest vernacular English literature.
Is it free?
To the person who said "you don't" in reference to reading Old English: actually, I do, thank you. I happen to be studying Old English and I can read, write, and translate Old English texts. I just wanted to discredit your generalization. Thank you, and good day.
The translation is fine. The person who left a one-star review is an idiot. Ignore him. Unless you read Old English (you don't), this is the best free version.