How To Open .Dll Files. Type “regsvr32 dllname.dll” and press enter. You can choose free hex editor neo provided by hhd software.
Click on developer command prompt for vs 2013 in the case of vs 2013 or just visual studio command prompt in case of vs 2010. If needed you can add, delete or modify resources in the dll file; This command adds on the dll file into your windows registry, that helps you to access the dll file.