win10_pro_esu_checker.py

import platform
import ctypes
import sys
import subprocess

try:
    import winreg
except ImportError:
    winreg = None


# ----------------------------
# SYSTEM INFO
# ----------------------------
def get_registry(path, name):
    if winreg is None:
        return "Registry unavailable"
    try:
        key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, path)
        value, _ = winreg.QueryValueEx(key, name)
        return str(value)
    except Exception:
        return "Not found"


def get_windows_info():
    return {
        "edition": get_registry(
            r"SOFTWARE\Microsoft\Windows NT\CurrentVersion",
            "ProductName"
        ),
        "release_id": get_registry(
            r"SOFTWARE\Microsoft\Windows NT\CurrentVersion",
            "ReleaseId"
        ),
        "display_version": get_registry(
            r"SOFTWARE\Microsoft\Windows NT\CurrentVersion",
            "DisplayVersion"
        ),
        "build": get_registry(
            r"SOFTWARE\Microsoft\Windows NT\CurrentVersion",
            "CurrentBuildNumber"
        ),
    }


def run_slmgr():
    try:
        cmd = ["cscript", "//nologo", r"C:\Windows\System32\slmgr.vbs", "/xpr"]
        return subprocess.check_output(cmd, text=True, stderr=subprocess.STDOUT)
    except Exception as e:
        return f"slmgr check failed: {e}"


# ----------------------------
# LOGIC
# ----------------------------
def analyze_system(info):
    edition = info["edition"]
    display_version = info["display_version"]
    build = info["build"]

    notes = []

    # Check edition
    if "Pro" in edition:
        notes.append("✔ Windows 10 Pro detected")
    else:
        notes.append("⚠ Non-Pro edition detected (behavior may differ)")

    # Check version
    if display_version == "22H2":
        notes.append("✔ Version 22H2 confirmed (final Windows 10 release)")
        notes.append("✔ You are in normal support phase (NOT ESU)")
    else:
        notes.append(f"ℹ Version: {display_version}")

    # Build interpretation
    try:
        build_num = int(build)
        if build_num >= 19045:
            notes.append("✔ Modern Windows 10 build (22H2 baseline)")
    except:
        notes.append("⚠ Build number could not be interpreted")

    # ESU explanation (important truth)
    notes.append("")
    notes.append("🔐 ESU Status Interpretation:")
    notes.append("❌ ESU cannot be detected locally on Windows 10 Pro")
    notes.append("❌ Receiving updates does NOT mean ESU is active")
    notes.append("✔ Your updates are standard Microsoft cumulative updates")

    # Likely state
    notes.append("")
    notes.append("📊 Likely System State:")
    notes.append("➡ Normal Windows 10 servicing (not ESU)")
    notes.append("➡ Receiving standard security updates from Microsoft")

    return "\n".join(notes)


# ----------------------------
# OUTPUT
# ----------------------------
def show_message(title, message):
    ctypes.windll.user32.MessageBoxW(0, message, title, 0x40)


def main():
    info = get_windows_info()
    analysis = analyze_system(info)
    slmgr = run_slmgr()

    final_message = (
        "🖥️ Windows 10 Support Checker (Pro-aware)\n\n"
        f"Edition: {info['edition']}\n"
        f"Version: {info['display_version']}\n"
        f"Build: {info['build']}\n\n"
        + analysis +
        "\n\n🧾 Activation check (/xpr):\n"
        + slmgr
    )

    print(final_message)
    show_message("Windows 10 Status Report", final_message)


if __name__ == "__main__":
    if not sys.platform.startswith("win"):
        print("Windows only.")
        sys.exit(1)

    main()