In Visual Studio 2013, it inherits the All Caps menu bar, similar to the ones you saw in Visual Studio 2012. I do find it annoying at times as it seems to be shouting at me.

In this post, I would like to share with you the steps to change the menu bar from all UPPER CASE to Title Case.
Verify that you have administrator access as we will be using Registry Editor (regedit)
- Go to Start Menu, and search for regedit (Application name for registry editor) and run it.
- Then at the menu tree, hover to
HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio12.0General
- Right click General Folder, Click New –> DWORD (32-bit) Value.
- Set the DWORD name with
SuppressUppercaseConversion
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- Right Click the DWORD, Click Modify. Set the value to 1.
- Run Visual Studio 2013.
You should be getting back the Title Case menu bar just like in Visual Studio 2010.

Perfect! It works!
hey bro I want my Visual Studio 2015 preview menu bar in ALL CAPS because I love this style of casing for my menu bar and it looks too good so please can you tell me how to change it bact to ALL CAPS
Go to Tools –> Options –> Environment, untick “Turn off upper case in the menu bar”.