| Option | Feasibility | Cost | Security Posture | | :--- | :--- | :--- | :--- | | | Low (drivers decaying) | High (air-gap required) | Critical Risk | | B. Upgrade to Windows 10 LTSC | Medium (needs generic drivers) | Medium (man-hours) | Moderate | | C. Virtualize Win7 Workload | High (run on Linux host) | Low (training) | High |