How to Enable Multiple Tabs for Windows
- 1). Press the "Windows" and "R" keys simultaneously. This loads the "Run" box.
- 2). Type "Inetcpl.cpl" in the text field and click "OK." This opens the Internet Properties window.
- 3). Click "Settings" in the "Tabs" section.
- 4). Click "Restore defaults" and press "OK."
- 5). Close the Internet Properties window.
Source...