Edit PDFs
Fully fledged PDF editing finally arrives with Word 2013, though you might lose some layout settings. Edited documents can be saved as PDF or DOCX files.
Office Start Screen in Apps
When launched, the Office 2013 apps show a dynamic Start screen by default. To see a blank new document instead, select File and Options, then untick the Start screen option on the General tab.
Word
Word’s new-look Read Mode (under the View tab) makes browsing documents easier, and it supports touchscreen input too.