Access the Old Testament books individually.
This is the gold-standard printed edition. While not free, its digital version (often available as an e-book or PDF via Google Books or Amazon) is frequently sold at minimal cost (€5–15). It includes the Nova Vulgata text plus critical apparatus. nova vulgata pdf
While many users look for a single downloadable PDF, the most reliable and authoritative way to read the text online is through the Holy See's official digital library. Access the Old Testament books individually