Perpetual licence version. This is a one-time purchase that grants you access to the software licence forever. It also includes 12 months of AVID’s Support and Updates plan. This means that for a full year after activating your software, you’ll have access to support directly from AVID, and will be able to upgrade to the latest versions via download as soon as they are released. After the initial 12 months you can renew the Support and Updates plan, and there is also an option to re-start a plan after it has expired.ABOUT SIBELIUSFrom concert halls and scoring stages, to sheet music stores and classrooms, more composers, arrangers, publishers, and educators use Sibelius®—the world’s best selling notation software—than any other notation software. It’s the fastest, smartest, easiest way to write music.EXPERIENCE THE EASIEST WAY TO WRITE MUSICWhether you’re composing for a live performance, for picture, or for fun, nothing empowers you to write music like Sibelius (formerly the ""paid"" version of Sibelius First—learn more) provides the core tools you need to create professional-quality scores easily. The software offers unique features that drive your creativity, make you sound better, and enable you to compose beautifully rendered scores quickly.SHARE SCORES WITH ANYONE, ANYWHEREWith Sibelius Cloud Sharing, you can share scores to your own personal cloud space, or scores in a webpage, and invite anyone to flip through pages and play your compositions using any computer, laptop, or mobile device.STREAMLINE YOUR WORKFLOWSibelius enables composers to connect with others in more powerful, efficient, and profitable ways. It seamlessly integrates into any media production workflow, including Pro Tools, to compose music for picture easily. And easily deliver scores to music publishers for worldwide sale.• Compose quickly and easily with a task- oriented interface that leads you through your entire score creation• Supercharge your workflow with multi-edit capabilities and direct task execution in the ribbon• Connect with others in the Avid Artist Community for promotion, feedback, and collaboration opportunities• Compose with up to 16 staves• Access Common, Jazz and world instruments • Up to 16 Staves per project • Get professional-quality sound with the included 10 GB Sibelius Sounds library• Includes 38 Plug-ins • Compose to Video with the ability to add and edit hit-points • Collaborate with others by sharing scores over email or through MusicXML