how do i upgrade my sketchbook pro 6 to pro 7

Control the finest details of your art with up to a 2500% zoom.Open and Save layered PSD and TIFF files for easy interoperability with other applications, including SketchBook for desktop.The entire screen is your canvas with a full screen workspace and unobtrusive user interface.Designed specifically for both pen and touch input on Windows tablets.Here's the product description from Windows Store: Plastic Animation Paper 4.0 - runs (can't configure pen buttons).

Sketchtime - runs, software not pressure sensitive.CorelDraw X7 17.4.0.887 - RealTimeStylus support added, all prior versions - no pressure.Mudbox 2015- no pen or touch, works with mouse or touchpad.Maya LT 2016 - runs, supports multi-touch.Sketchbook Pro 7, 6.2.5 - runs (recommended).3DS Max 2016, 2015 SP1 - runs (supports multi-touch).Substance Designer 4.3.1 - runs (UI does not scale).Substance Painter 0.7.1, 0.5.0 - runs (UI does not scale).Photoshop 14.2.1 圆4, CS6 Extended 13.0 圆4, CS5 圆4 - runs (requires N-Trig Wintab driver 14 or higher).Photoshop 15 (CC 2014) - runs, no Wintab driver required.Illustrator CC 17.1.0 圆4 - runs (intermittent pen with N-Trig Wintab driver 14-17).Illustrator 18.0.0 圆4 (CC 2014) - runs (intermittent pen with N-Trig Wintab R16, R17).

How do i upgrade my sketchbook pro 6 to pro 7