I use an sf2 in other midi editors and players that I use a lot. How do I do this with PT or RB?

I'm part of a midi seq international group. One of our engineers created a new sf2 that's borderline remarkable. But cannot figure out how to get it to work with RB/PT.

TIA!

Timbres Of Heaven GM_GS_XG_SFX V 3.4 Final.sf2


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