@Karen 

I am using Maple 2020, and Windows 64. I am from denmark, but i think have display language to set to English, if "by  Windows Display Language" you mean this 

@acer 

Okay, can you open the worksheet? all i see then i open it is this. 

and then i click "Maple Input" and this happens 

here Maple just gets stuck and is just loading and i cant close Maple i have to CTRL ALT Delete to close Maple. Is there a away i op maybe open i later version of the fil?