I high-light this ebook, about other offers you can open this link:
http://www.microsoftvirtualacademy.com/ebooks#syscenter
Introducing Windows 10 for IT Professionals, Preview Edition:
Get a head start evaluating Windows 10—with early technical insights from award-winning journalist and Windows expert Ed Bott. This guide introduces new features and capabilities, providing a practical, high-level overview for IT professionals ready to begin deployment planning now. This book is a preview, a work in progress about a work in progress. It offers a snapshot of the Windows 10 Technical Preview as of April 2015, on the eve of the BUILD Developers’ Conference in San Francisco.
Download the PDF (6.39 MB)
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Download the Mobi for Kindle file (12.6 MB)