So, If I have an old version is 6.0.0.103 and then upgrade to the new version 6.0.0.109 . I do no need to unstall V.6.0.0.103 and Install new Version V.6.0.0.109? 
Can I dubble click to MMUpdate ALL 6.0.0.109.exe on FTP site? 
Pls see my pic by attach.