Hi there and welcome
I am not sure which tool you are using but the easiest to use is this free service on my link below
It is free and simple, you click on Choose File, choose your document, click convert and within a minute or 2 the file is downloaded to your computer, you see it in the downloads like how any file downloads.
No additional software is needed.
If you have any problems, or would like any additional information or assistance, please do not hesitate to let me know.
Else if you can take a second to rate my service by clicking one of the stars at the top of the screen then submit, that would be greatly appreciated.