1. Use the Built-in "Booklet" Feature in Adobe Acrobat Reader
: A powerful Python-based tool available on SourceForge that allows for scaling, margin adjustments, and multi-booklet runs without page limits. booklet creator license key free
If you specifically need software to reorder PDF pages into a new printable file (imposition), several open-source tools offer the full functionality of Booklet Creator for free: booklet creator license key free