Apollo asks for one the first time and every time it opens, so a shared desk stays private.
One box in Settings, with a test button that confirms it works before you rely on it.
Load the marking guide and task brief so Apollo marks against your standard, not a generic one.
Mark it, check every judgment, and export the annotated documents.
A note on the warning you will see. Apollo is not yet code-signed, so Windows shows a “Windows protected your PC” message the first time. Choose More info, then Run anyway. Code signing is in progress.