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All registered users of the PDF Writer software, Print to PDF Toolkit Pro software are given 5-year
free maintenance and upgrade service. We send out the upgrade notification via email
to all registered users. Please to avoid unnecessary delay, please
make sure your email system will not block email coming from
windows10pdf.com domain. The sender is upgrade@windows10pdf.com.
All registered users can request the latest full version product by
sending an email message to
upgrade@windows10pdf.com along with your order reference number
in the subject line.
5-year free maintenance and upgrade service guaranteed!