How should I check the preview of the maintenance page before enabling it?

How should I check the preview of the maintenance page before enabling it?

To check the perview, click on the Preview button under the Store ⟶ Configuration ⟶ Magediary ⟶ Store Maintenance Lite ⟶ Content.

Reference guide: https://magediary.com/docs/store-maintenance-lite.html#preview-maintenance-page