Hey I , Harmanjot Is Back With a New Tricks . Last Week I Upgraded To Windows 10 And I Found That Windows 10 Automatically Updates And There Is Not Option Of Disabling It. So I Will Tell You What To Do.
Follow The Given Steps
1. Go To Control Panel And Click On Administrative Tools
 2. Click on Services And Search For Windows Update And Open It
3. Select Startup Type AS Disabled And Click On Apply
Now Windows 10 Will Not Automatically Update

If You Are Facing Any Problem Comment Below