The View Menu

Toolbar/Menu bar/Status bar

Here you can switch on and off these elements.

Direct Entry as SMILES/InChI/CAS

If you have switched this on, you have field in the toobar where you can directly enter SMILES/InChI/CAS strings See Insert for details..

Zoom in

Enlarges the structure(s) painted.

Zoom out

Scales down the structure(s) painted.

Zoom 100%

Zooms to the original size.

Properties

Here you can enter some propeties (e. g. if atom numbers shall be drawn) which determine the look of the molecule.