Take a copy of the shortcut, and simply change the exe to be 2024, as highlighted below:
- ACAD 2024 shortcut arguments:
"C:\Program Files\Autodesk\AutoCAD 2024\acad.exe" /product ACAD /p "C:\Program Files\Transoft Solutions\LineDesignPro_Ar\LineDesignPro_Ar.arg" /b "C:\Program Files\Transoft Solutions\LineDesignPro_Ar\Acad_LDP_2018.scr"
- C3D 2024 shortcut arguments:
"C:\Program Files\Autodesk\AutoCAD 2024\acad.exe" /ld "C:\Program Files\Autodesk\AutoCAD 2024\AecBase.dbx" /p "<<C3D_Metric>>" /product "C3D" /b "C:\Program Files\Transoft Solutions\LineDesignPro_Ar\Acad_LDP_2018.scr"
The same will apply for SignDesign Pro and the Dubai (DU) versions