Don't use Windows 10 - It's a privacy nightmare

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.

Download: W10Privacy

This tool uses some known methods that attempt to disable major tracking features in Windows 10.