Walk uses Win32 controls directly — works on VMware ESXi, Hyper-V and any VM
without GPU. No CGo, no MinGW needed.
- internal/gui/gui.go: 3-phase Walk declarative GUI (form → live run → summary)
- cmd/xetup/app.manifest: UAC requireAdministrator + ComCtl32 v6 + DPI awareness
- CI: remove MinGW, add rsrc generation step, simplified build