Avro Keyboard 4.5.1 remains a significant milestone for Bangla computing, offering a reliable, free, and open-source solution for typing in Bengali on Windows. Developed by OmicronLab , this version brought critical stability and features that helped bridge the gap between traditional typing and modern digital needs.

This version solidified Avro’s reputation as the first free Unicode-compliant Bengali keyboard interface for Windows.

Still the best Bangla typing tool for Windows 64-bit