If you’ve used the version of Paint that comes with Windows 10, you’ll notice that things haven’t really changed much in years (it looks barely changed from the version that shipped with Windows 7). However, Microsoft has completely revamped Paint to take advantage of technologies found within Windows 10 and the hardware (namely the stylus)

Source: Hot Hardware – Microsoft Buffs Out New Paint App For Windows 10 With Ability To Work In 3D