Go to http://www.samsung.com/us/support/owners/product/GT-P3113TSYXAR
If you want to skip the step, disable your PDF plug-in (see Tools > Add-ons for Firefox, Tools > Manage Addons for IE, or chrome:///plugins for Chrome) or reset the PDF handler to always Save the file.
The direct link to the manual (English, North American) is http://downloadcenter.samsung.com/content/UM/201210/20121003035015166/GT-P3113_English_User_Manual_LH2_F1.pdf
. The same steps will apply to save the file.
I hope this helps. Please add a comment about your specific browser for additional assistance in managing the PDF plug-in behavior.