It doesn't depend on the amount of RAM, it depends on the graphics card. Low amounts of ram with windows aero will only cause the computer to freeze frequently.
Aero
The default user interface for Windows Vista and Windows 7 is called Windows Aero.
awesomeness and nothin
windows vista
Windows 7 Home Premium
Windows Vista Home Premium
I think you mean aero user interface. Aero is a feature in most Windows 7 operating system packs today. It allows the user interface (the edges and tops of windows and the task bar) to look transparent and glassy This feature is purely cosmetic and serves little purpose but to make the operating system look fancy. It is not necessary or vital to you PCs running.
Explorer.From the Wiki...Windows Explorer is an application that is part of the Microsoft Windows operating system since Windows 95 that runs on top of the Windows operating system and provides a graphical user interface for accessing the file systems, though is not integral to the running of a Windows computer. It is the component of the operating system that presents the user interface on the monitor and enables the user to control the computer. It is sometimes referred to as the Windows GUI shell, or simply "Explorer".The User Interface (UI or GUI) for windows visa is called Aero, in Vista Home Premium, Business and Ultimate. This is essentially a 3-D accelerated version of Explorer. Vista Home Basic does not have Aero.
Minimum Hardware Requirements for running Windows 7 Aero: # 1 GHz 32-bit (x86) or 64-bit (x64) processor # 1 GB of RAM # 128 MB graphics card http://www.intowindows.com/windows-7-aero-minimum-hardware-requirements/
GUI Graphical user interface. There are two different GUI's--Basic or Aero.
DirectX and Windows Display Driver Model
if you have home premium or above then you should already have it. windows aero is a window style