AHK (v1) script to switch between windows of the same application in Windows 11

alt+backtick.ahk

!`::
WinGet, ActiveProcessName, ProcessName, A
WinGetClass, OldClass, A
WinGet, WindowList, List, ahk_exe %ActiveProcessName%

if (WindowList > 1) {
    Loop, %WindowList% {
        this_id := WindowList%A_Index%
        WinGetClass, NewClass, ahk_id %this_id%
        
        ; Skip if it's the same as the currently active window
        if (WinActive("ahk_id " this_id))
            continue

        ; Focus on the new window if it matches the criteria
        if (OldClass <> "CabinetWClass" or NewClass = "CabinetWClass") {
            WinActivate, ahk_id %this_id%
            break
        }
    }
}