There are many Blu-ray player software products on the market, powerdvd is good, but expensive, free one has no blu-ray license and not reliable
You can try UFUSoft Blu-ray Player, it is good and cheap, and officially authorized.
Overview: UFUSoft Blu-ray Player is one easy-to-use player for windows 8/7/Vista/XP PC. It can help users enjoy any Blu-ray movie with outstanding and perfect video quality at home. This amazing player can not only play Blu-ray Disc, but also support Blu-ray folder and ISO image files. This Blu-ray Player is reliable and expert in playing Blu-ray discs released in different regions and dates trough simple clicks of mouse.
Blu-ray Player is also capable of playing popular video files. Users can enjoy videos in HD video, AVCHD video, MTS, M2TS, MXF, TS, TRP, MKV, MPEG, FLV, WMV, and MP4, etc. formats.
- Play Blu-ray disc, Blu-ray folder and ISO files.
- Support playing popular video files.
- Bring users 1080P HD video watching experience.
- Play blu-ray movies with DTS HD or Dolby TrueHD Audio.