Tabsafe, Pro pass, 6 months

Tabsafe, Pro, 6 months. A longer history of snapshots and closed tabs, daily backup files and a weekly check that the library restores. Free keeps unlimited named sessions with folders. Pro runs six months from purchase. One licence key works on more than one browser.

Every feature in detail, guides and the changelog: https://tabsafe.pages.dev

Your license key is in the receipt, on the "License key" line. After installing Tabsafe, open it from the toolbar icon, press the plan badge at the top, paste the key into Licence key and press Activate.