Open the image in Krita
Go to Settings
Select Dockers
Enable Grid and Guides
Go to View
Select Show Grid
Open the grid settings if needed
Go to Image
Select Properties
Adjust grid...
Open Krita
Go to Window > Workspace > Animation
Create a new document
Enable the Animation Timeline docker
Enable the Onion Skins docker
Create a new paint layer
Draw the...
Open Krita
Create a new document
Enable the Animation workspace
Open the Timeline docker
Open the Onion Skins docker
Create a new animation layer
Set the frame rate
Insert keyframes on...
Open Krita
Select the brush tool
Choose a brush preset to use as a starting point
Open the Brush Editor
Adjust brush tip, size, opacity, spacing, and other...
Open Krita
Go to the brush preset docker
Click the brush settings icon if needed
Open the Resource Manager
Click Import Resources
Select the brush pack file
Confirm the import
Restart...
Open Krita
Go to the top menu bar
Click Window
Select New Window
Use Window again to switch between open windows
Open Window
Select Tile Subwindows to view multiple documents...