You have a computer that has the following hardware configuration:
* 1.6-gigahertz (GHz) processor (64-bit).
* 8-GB RAM.
* 500-GB hard disk.
* Graphics card that has 128-MB RAM.
You need to select an edition of Window 7 to meet the following requirements:
* Support DirectAccess
* Support Windows XP Mode
* Use all of the installed memory
* Support joining an Active Directory domain
Which edition should you choose?