Very many. Amiga 1200. Released in 1992, got update to AmigaOS 3.3.2 at 2023 https://www.hyperion-entertainment.com https://www.hyperion-entertainment.com . Th

Very many. Amiga 1200. Released in 1992, got update to AmigaOS 3.3.2 at 2023 https://www.hyperion-entertainment.com https://www.hyperion-entertainment.com . That is 31 years. My wife uses Vista era laptop, from 2007. Still works great at 2023, changed it to have SSD disk and 8 GB RAM, running newest Linux Mint. Newest Windows, macOS and ChromeOS only works on newest devices. After that, just install Linux. For example, 2 weeks ago I installed Debian 11 to Chromebook https://github.com/xet7/chromebook https://github.com/xet7/chromebook