If you are using QB 2002 or 2003, you have to download 2002QB.zip (double click)

1. Open QuickBooks with your company file

2. Unzip 2002QB.zip to a folder name 2002QB. You should have 3 files in the folder.

3. Double click QBXMLRP2Installer.exe

4. Double click SDKTestPlus3.exe.

5. Click Browse and select the request file  CustomerQuery2002.xml from 2002QB folder.

6. Click Open Connection -> Begin Session -> Send XML -> End Session -> Close Connection

7. Start -> All Program -> Doitech -> Start MobilePos server. MobilePos will be running.