Long, detailed review of the Dev build of Windows 11, covering installation and setup in a triple-boot scenario on a laptop with AMD Ryzen processor and Vega graphics, additional testing in a virtual machine on a laptop with Intel 8th gen processor, including in-vivo upgrade results, user settings preservation, privacy and security, new taskbar, new system menu, new settings and numerous associated ergonomic problems, personalization, default apps, performance, responsiveness, updates estimat...