**Show help** opens this dialog. Ctrl+H and F1 are the defaults; the Ctrl+H action can be reassigned.
The left field searches article names and bodies. The tree button expands or collapses all categories. Selecting a result clears the query and opens the article.
Article text supports selection and Ctrl+A/Ctrl+C copying. Esc, a backdrop click, or the close button closes the dialog.
**About** shows the application version and repository link.