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1. Click the Space Tools (the most left-lower corner)
2. And select the "contents tools"
3. Select "Export" Session
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4. Select the mode and click the Next>>
5. Select the mode Normal or Custom Chapters you want to export and then Click Export
6. System will help orgnize organize and process your PDF (automatically, please wait some minutes, about 5 mins)
7. Download the PDF by click the button Download "Downloadhere"
