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User Guide, Getting Started and Acquiring & Installing are in PDF format.

Acquiring and Installing Getting Started Running-A-Simple-Turbojet-Model Installing-the-VBS-v2.4.1
Updating-a-Model-from-2.3-to-2.4.1 Building-A-Turbojet-with-the-VBS-v2.4.1 Building-A-Simple-Burner-in-NPSS Introduction-to-the-NPSS-VBS-v2.4.1