?? TortoiseSVN ?????????????????????????????????? 1. 64bit ????? 32bit ? TortoiseSVN ?????????? 2. Windows Explorer Shell ??? Overlay Icon ?? 15 ??Windows ????? 4 ???? 11 ????????????????? Groove ????????? 11 ?????????????? Tortoise ?????????? Tortoise ?????????? Tortoise ???????????? Windows ?????????????????????????TortoiseSVN?????????????????????????????????????????????????????????????????????????????TortoiseSVN??????? ?????????? HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers ????????????????15??????????1024?????? ?????????????Tortoise?Dropbox????