Open Total Commander. Go to Help > About Total Commander . If successful, it should display your registered name. Where Does Total Commander Look for wincmd.key ?
It first looks for wincmd.key in the directory where totalcmd.exe is located. total commander wincmdkey
If you have just purchased a license, you need to place the file in a directory where Total Commander can find it. By default, the program looks in two main places: Open Total Commander