How to Type in Adobe Digital Editions on an E-Book

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Hello everyone! I have purchased an e-workbook for school and cannot type or add comments to the workbook file using my keyboard. Because the e-book is in Adobe Editions, the added remark and highlight options are greyed out when I right-click. Is there any way I can digitally write right on the e-book?

TOPICS

ADE authorization , Install ADE , Nook