Kernel for EML to PST tool is available on free trial version that can be installed and used for completely free. Also, you need not have to worry about the platform compatibility issues as the tool supports all versions of Windows OS (including Windows 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT and 95) & Windows server (2012, 2008 R2, 2008, 2003 R2, 2003). Get more information about the tool here: www.export.emltopstconversion.org