What is a one-sentence summary of the following article?
Aero can be a little taxing on your system, so you'll want to be sure you meet the following requirements before enabling it. You can see what your current hardware setup is by pressing ⊞ Win+Pause.  1-gigahertz (GHz) 32-bit (x86) processor or 1-GHz 64-bit (x64) processor 1 GB of system memory DirectX 9 graphics card with 128 MB memory Windows Vista Home Premium or better (Home Basic and Starter do not support Aero)     Apply.

Summary:
Ensure your computer meets the requirements. Right-click on your desktop. Select "Personalize". Click the "Windows Color and Appearance" link. Select "Windows Aero" from the list of schemes. Click .