First of all, it is important to tell me the exact operating system used. I can access the language settings and thus also the keyboard layout in my Windows 11 Pro -64-bit system with Start (bottom or top left in the taskbar)-> Settings -> Time and Language -> Language and Region Here the region should be GERMANY ... or another country ... add if necessary ... should be displayed. Within this region, keyboards can be added under -> Options. Now it should also work with the ADD character (... I reach this with the third keyboard level ... -> HOLD Alt-gr to the right of the space bar and press the Q key (...then @). Have fun "tinkering" ... Michael Nagel PD Dipl.-Ing. (FH)