import hashlib import uuid

RegClean Pro is a registry cleaner software that helps users optimize their Windows registry by removing invalid or corrupted entries. The software requires a valid license key to activate its full features. The "RegClean Pro License Key" feature will allow users to purchase and enter a license key to unlock the software's premium features.

import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL;

// Save activation status to registry HKEY hKey; RegOpenKeyEx(HKEY_CURRENT_USER, "SOFTWARE\\RegClean Pro", 0, KEY_WRITE, &hKey); RegSetValueEx(hKey, "Activated", 0, REG_DWORD, (LPBYTE)&activated, sizeof(DWORD)); RegCloseKey(hKey); }

public class LicenseKeyValidator { public boolean validateLicenseKey(String licenseKey) { try { URL url = new URL("https://example.com/validate_license_key"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod("POST"); connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); connection.setDoOutput(true);

if (response.toString().equals("valid")) { return true; } } } catch (Exception e) { // Handle exception } return false; } }

void activateSoftware() { // Activate premium features // ...