It is not enough only change mysql to x64 bit. You must download all in x86 or x64.
I take some pictures from the installation.
Install the following software for x64: Requirements- TrinityCore
In "mysql-installer-community-126.96.36.199" choose this:
In cmake choose this for x64:
In VS 2013 move to "BUILD" -> "Configuration Manager" -> change "Debug" to "Release" and choose "x64" right.
Close the window and right-click on "ALL_BUILD" -> choose "Clean" -> right-click again and chose "Build".