Hello
this is a program that allows you to set the date and time of a specified file
just place in any txt file called "myfile.txt"  in the same folder as the compile program Set_FileTime.exe
and run this exe, it will reset the date to Apr 18 2018 and time 6:55 pm
if you find any problem with this code please feel free to modify it and let us know about it.  Thanxx
' Set_FileTime.o2bas
' Set the time and date of a file
$ filename "Set_FileTime.exe"
uses RTL64
uses corewin
uses Timeutil
' https://msdn.microsoft.com/en-us/library/windows/desktop/aa365282(v=vs.85).aspx
typedef struct _OFSTRUCT {
  BYTE cBytes;
  BYTE fFixedDisk;
  WORD nErrCode;
  WORD Reserved1;
  WORD Reserved2;
  CHAR szPathName[OFS_MAXPATHNAME];
} OFSTRUCT, *POFSTRUCT;
'=====================================================
' SetFileDate - Set the time and date of a file
'
SUB SetFileDate(sFileName AS STRING, _
                iYear     AS LONG, iMonth  AS LONG, iDay    AS LONG, _
                iHour     AS LONG, iMinute AS LONG, iSecond AS LONG) EXPORT
    LOCAL hFile          AS  sys
    LOCAL CreationTime   AS FILETIME
    LOCAL LastAccessTime AS FILETIME
    LOCAL LastWriteTime  AS FILETIME
    LOCAL gfSyT             AS SYSTEMTIME
    LOCAL gfLT             AS FILETIME
    LOCAL gfCT             AS FILETIME
    LOCAL gfLAT            AS FILETIME
    LOCAL lpReOpenBuff   AS OFSTRUCT
   hFile = CreateFile(sFileName + CHR$(0), BYVAL %GENERIC_READ OR %GENERIC_WRITE, _
                    BYVAL 0, BYVAL %NULL, BYVAL %OPEN_ALWAYS, _
                    BYVAL %FILE_ATTRIBUTE_NORMAL, BYVAL %NULL)
    IF hFile THEN
        FileTimeToLocalFileTime LastWriteTime, gfLT
        FileTimeToSystemTime gfLT, gfSyT
        FileTimeToLocalFileTime  CreationTime, gfCT
        FileTimeToLocalFileTime  LastAccessTime, gfLAT
        gfSyT.wYear   = iYear
        gfSyT.wMonth  = iMonth
        gfSyT.wDay    = iDay
        gfSyT.wHour   = iHour
        gfSyT.wMinute = iMinute
        gfSyT.wSecond = iSecond
        SystemTimeToFileTime gfSyT, gfLT
        LocalFileTimeToFileTime gfLT, LastWriteTime
        SystemTimeToFileTime gfSyT, gfLAT
        LocalFileTimeToFileTime gfLAT, LastAccessTime
        SystemTimeToFileTime gfSyT, gfCT
        LocalFileTimeToFileTime gfCT, CreationTime
        SetFileTime BYVAL hFile, CreationTime, LastAccessTime, LastWriteTime
        CloseHandle hFile
    END IF
END SUB   
'========================
' Main start 
string gProgNam 
' Set the time of a specific file to a particular date and time
 gProgNam = "myfile.txt"
SetFileDate(gProgNam, 2018,04,18,18,55, 22)
print "done"