c:\Temp>dir Test
 Volume in drive C has no label.
 Volume Serial Number is CAC2-980E

 Directory of c:\Temp

02/02/2026  03:31 PM         5,148,160 Test
               1 File(s)      5,148,160 bytes
               0 Dir(s)  35,160,547,328 bytes free

c:\Temp>.\Test
'.\Test' is not recognized as an internal or external command,
operable program or batch file.

c:\Temp>.\Test.exe
'.\Test.exe' is not recognized as an internal or external command,
operable program or batch file.

c:\Temp>move Test Test.exe
        1 file(s) moved.

c:\Temp>echo %PATHEXT%
.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC

c:\Temp>.\Test
Hello world