Windows Product Info GUI v1.0

Initial public release of Windows Product Info GUI

• Modern PowerShell WPF GUI
• Display detailed Windows product and activation information
• Dark-themed, local-first, runs entirely on Windows
• Retrieves OS, edition, build, install date, and license channel
• Decodes and displays the active Windows product key
• Lazy-loads Installation ID with background processing
• Copy-to-clipboard support for all fields

See README for installation and usage instructions.