You have Sibelius 6.0
Update to Sibelius 6.2
Sibelius 6.2 is a free update that fixes some bugs and introduces a number of improvements to Sibelius 6.
Avid Blogs Sibelius
Sat, 24 Jan 2015
NAMM 2015: Connecting Music Publishers to Customers with Sibelius | Cloud Publishing
Whether you’re new to the Sibelius family or a veteran customer, you’ll want to visit Avid at NAMM 2015 to get hands-on experience with the latest music notation solutions.