It installs many Windows Store apps by default. Moreover, it updates them automatically even after you uninstalled them, then they come back when you install a bigger update or service pack, e.g. the creator's update.
Windows seems to get in the way, with it's distracting notifications and lack of good software in the Microsoft Store, and the bloatware it installs by default. It is harder to do some things that are important for web design.
Good compatibility with Windows 7 software
Has support for many different browsers
Collects a lot of user data and sends it to Microsoft by default