Well, I just fix my problem with systemd-boot menu, I had reinstall KaOS in other hard-disk, I had 1 hard-disk (500 Gb) to Kaos and Windows 10, now I have 2 hard-disk, one for Windows (500 Gb) and other to Kaos (200 Gb). Now I get Systemd-boot menu but now I have not the opction to run Windows 10 in the menu.
Ty for the help, I go to try fix it. If I have troubles I will start a new thread.
Tyvm.