The biggest change in Chem4Word 2020 is the way in which you can draw and edit chemical structures.
ACME is the Advanced CML-based Molecule Editor. ACME uses Windows’ hardware-accelerated graphics for seamless, scalable drawing and editing.

ACME supports all common molecule editing operations complete with full undo and redo.
Whether you’re editing a molecule that is already in your document, or drawing a new one, ACME is the new tool to do the job.