You can quickly create a group layer by selecting the layers that should be grouped together and then pressing the Ctrl + G shortcut.

How do I create a layer folder in Krita?

Ctrl + G shortcut will create a group layer. If multiple layers are selected, they are put into the group layer. Ctrl + Shift + G shortcut will quickly set-up a clipping group, with the selected layers added into the group, and a new layer added on top with alpha-inheritance turned on, ready for painting!

How do I add files to Krita?

To create a new canvas you have to create a new document from the File menu or by clicking on New File under start section of the welcome screen. This will open the new file dialog box. If you want to open an existing image, either use File ‣ Open… or drag the image from your computer into Krita’s window.