How to use license key

Please follow the steps below to license Dynamsoft Barcode Reader.

  1. Get license key(s)

    For paid customers, you should get an email with the download link of the full version installer. If not, please contact sales[at]

    For trial users, the license should be from [WINDOWS EDITION INSTALLATION FOLDER]/LicenseManager.exe or [MAC EDITION INSTALLATION FOLDER]/BarcodeReaderTrialLic.txt;

    If you have not installed Dynamsoft Barcode Reader, please visit at the download page here:

  2. Change Source Code

    License the SDK through source code. If you have more than one licenses, please separate them via ';'




    CBarcodeReader reader;


    Dim oBarcodeReader As New BarcodeReader
    oBarcodeReader.InitLicense "88FFAA0******;9C42D5D******"


    BarcodeReader reader = new BarcodeReader();
    reader.LicenseKeys = "88FFAA0******;9C42D5D******";

Please rebuild your application.

If you need any assistance or have any problem, please feel free to contact us.

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