Right click the tile in start and select pin to taskbar. On the desktop right click the IE icon on the taskbar, in the list right click Internet Explorer again, select properties. Select 'open file location', right click iexplore.exe select 'create a short cut'. Windows will say that it can't do it 'here' but will create it on the desktop, select ok.
Microsoft Lumia 950 vs Lumia 950 XL: What's the difference between Lumia 950 & 950 XL?