No. The board works immediately with no account, no sign-up, and no backend. Your columns and cards are saved to your browser's local storage automatically as you edit.
No. Everything — columns, cards, and their order — is stored only in your browser via localStorage. Nothing is uploaded, so it stays private to this device and browser.
No. Your board is saved to localStorage and reloads automatically the next time you open this page in the same browser. Clearing your browser's site data will remove it, since there is no server-side backup.
Yes. Use the "Add Column" field at the top to create a new column, and the trash icon on a column's header to delete it along with its cards. Click a column's title to rename it.
Yes. Drag any card by its grip handle and drop it into a different column, or reorder it within the same column. The move is saved immediately.
Not currently — the board is local-only (per browser, per device) with no account or sync layer, by design, so there's nothing to set up and no data leaves your machine.