how can I keep labview 8.5 up to date with patches, etc?

[parthabe]

I dont think there are/will be patches for LV 8.5 in net as available for many other softwares.

But if you are under NI's Standard Service Program, you ll automatically get the minor patches/upgrades for free.

[pallen]

You can always check the latest drivers and updates here: http://joule.ni.com/nidu/cds/fn/p/lang/en