You should be able to install any older version after purchasing LV2010. Contact your NI rep in your area and request it. I originally purchased LV2009 and was able to procure LV 7 for our older systems.
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Reese, (former CLAD, future CLD)
Some people call me the Space Cowboy!
Some call me the gangster of love.
Some people call me MoReese!
...I'm right here baby, right here, right here, right here at home