Hi,

If you did not connect your LPK25 with computer please read step 1 otherwise read step 2.

STEP1

Text copied from Quickstart Guide LPK25:

To install the Akai Professional LPK25 Editor, open the contents of the disc, double-click Setup.exe, and follow the
on-screen instructions. To open the editor, connect the LPK25 to your computer with a standard USB cable (included) then
double-click LPK25 Editor.exe.
Mac Users: Drag the contents of the disc to an appropriate location on your hard drive. To open the editor, connect the
LPK25 to your computer with a standard USB cable (included) then double-click the LPK25 Editor.
Note: Always connect the LPK25 to your computer before opening the editor.

Always connect the LPK25 to your computer before opening the software editor.
After opening the software editor, you will need to select the LPK25 from the dropdown
menu on the opening screen and click "Done."
For Mac or Windows Vista users, it will be listed as Akai LPK25.
For Windows XP users, it will be listed as USB Audio Device. (If you have other USB audio devices
connected to your computer, which may have identical names, you may need to try selecting each one
until the LPK25 is recognized.)

STEP2

Read pdf

How to connect Keyboard/Piano
http://www.magix.info/us/how-to-connect-keyboard-piano-with-computer-ii.online-training.130220.html

If you need help send message.

Thank you

nihon04