BAI Megazine
You can find various editions of the text available for free or through major platforms:
A comprehensive Serbian version can be viewed or downloaded from Tolkien.rs . dovelesova kniga skachat
Specialized Slavic culture sites like Slavyanskaya Lavka offer the book in .doc and audio formats. What is the Book of Veles? You can find various editions of the text
Academic and spiritual versions, including those with modern Russian translations, are available on Azbyka and History.org.ua . including those with modern Russian translations
A full literal translation is available on Rejected Scriptures .