In Internet explorer 8, we can disable tabbed browsing as per the below steps.
In IE menu bar click on Tools and then Internet options
Click on Settings button under ‘Tabs‘
Now disable the check button ‘Enable tabbed browsing’
Click on ‘OK’ and ‘Apply’ buttons and close the windows.
Using registry keys
We can disable tabs by setting the below registry value.
Registry key : HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Under the above key, create a new value of type REG_DWORD with the name ‘Enabled‘ . Set the data of this new value to 0.
Restart IE and you can see that tabbed browsing is disabled.