Every image, video, audio or text you generate is saved in your Task History.
Task History page: open Task History from the dashboard menu. Search by model or filter by project, click a task to see its outputs, then click Download on any output.
Activity panel: click the lightning icon in the top-right corner of the website to see your recent tasks from any page. On a model page you can also click Show Activity Panel.
Wiro Studio: generations you made in Studio are in Studio's Activity tab and in your Studio chat sessions.
Your generations stay there until you delete them. To remove them, see How do I delete a task's input and output files?