NEC Express5800/R120b-1 User Manual page 459

6.
Select the edition of the Windows operating system that you purchased.
NOTE:
The Windows versions listed on the screen vary depending on
the Windows Server 2008 R2 DVD-ROM you are using.
7.
Read the license terms carefully. If you agree, select [I accept the license terms], and then
click [Next].
Installing Windows Server 2008 R2 D-9