Click "Get Krita Now."
Click the blue "Installer" button and save the file when prompted.
Once your software is downloaded, run the installer. Click "OK."
Click "Next."
With "I accept..." checked, click "Next."
Click "Next."
Click "Next."
Click "I Agree."
Click "Next."
Click "Install." The install will take some time.
Click "Next."
Click "Finish."