# Which DLLs do you need to distribute with your C++ application **QLM 9.2 and later:** * QlmLicenseLib.dll * QlmLicenseLib.dll.manifest * QlmLicenseWizard.exe (if you are using it) **QLM 9.1 and earlier** If your application is developed in C++, VB6, Office, Delphi, etc., you must include the following DLLs with your application: * QlmLicenseLib.dll * x86\IsLicense50.dll * x64\IsLicense50.dll * QlmLicenseWizard.exe (if you are using it) The 3 DLLs above should ideally be installed in C:\Program Files\Common Files\Soraco but you may install them in your own folder if you choose to do so. In addition, you must register the QlmLicenseLib.dll as follows: regasm.exe /tlb "\\QlmLicenseLib.dll" regasm.exe /codebase "\\QlmLicenseLib.dll" A batch file called register.bat can be found in the QLM samples folder (and is attached to this article). Note that Administrative privileges may be required to properly register the DLLs. **.NET Version** QLM supports .NET 2.0 and .NET 4.0. There are 2 versions of the QlmLicenseLib.dll, one for .NET 2.0 and one for .NET 4.0. We recommend you use the .NET 4.0 version as it has become the standard with Windows 10. {% file src="/files/OcCcyRakRjOvtUBdzaQK" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.soraco.co/docs/faq/which-dlls-do-you-need-to-distribute-with-your-c++-application.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.