Get the Firestorm viewer here:
http://www.firestormviewer.org/downloads/
Choose the 64-bit version lest you will run into TP problems or texture loading issues in high prim (> 45K prim) regions.
Get the Singularity viewer here:
http://www.singularityviewer.org/
Choose the 64-bit version lest you will run into TP problems or texture loading issues in high prim (> 45K prim) regions.