The RKU file must be encoded before distributing to the end-user. This can be done by using LicenseKey Manager.
1. Run LicenseKey Manager.
2. From the Tools menu, select Encode RKU File. The RKU File Encoder dialog box appears.
3. Click the Browse button to select an RKU file path or enter a file path in the Source File edit box.
4. Enter a file path of the encoded RKU file in the Target File edit box.
5. Click the Encode button.
6. The result appears on the Result screen.