1. Data syncing is by default enabled.
    • Browsing history and open websites.
    • Apps settings.
    • WiFi hotspot names and passwords.
  2. Your device is by default tagged with a unique advertising ID.
    • Used to serve you with personalized advertisements by third-party advertisers and ad networks.
  3. Cortana can collect any of your data.
    • Your keystrokes, searches and mic input.
    • Calendar data.
    • Music you listen to.
    • Credit Card information.
    • Purchases.
  4. Microsoft can collect any personal data.
    • Your identity.
    • Passwords.
    • Demographics.
    • Interests and habits.
    • Usage data.
    • Contacts and relationships.
    • Location data.
    • Content like emails, instant messages, caller list, audio and video recordings.
  5. Your data can be shared.
    • When downloading Windows 10, you are authorizing Microsoft to share any of above mentioned data with any third-party, with or without your consent.