image and photo editor
Download from PortableApps.com
LazPaint Portable can run from a cloud folder, external drive, or local folder without installing into Windows. It's even better with the PortableApps.com Platform for easy installs and automatic updates.
LazPaint is a full-featured image and photo editor with support for layers, drawing tools, filter effects, rendering textures and more. Both the 32-bit and 64-bit versions are included and the correct one automatically used.