What SW should I use to read JP2 ?

[breathejustice]

Hi

I need to read JP2 file
What software should I use ?

Fast and light software is preferred because my computer is somewhat old.

OS is Windows 7
CPU i3-core early version 3.1GHz
Intel graphic card
RAM 6GB

 

[Jaspion]

IrfanView should take care of that.