I used a good graphic tablet from Huion and works great with Windows 7, 8, 8.1 and 10.
The new software from Huion let you to make settings and changes for your graphic tablet.
The Krita development team come with this web page for supported tablets.
They do not guarantee that all tablets are compatible.
For those who want to buy a graphics tablet, they should make sure they are compatible with the Krita software.