You can also right-click the DOCX file, click Open with. . . , and click Word.
You can also click once the DOCX file to select it, click File, select Open With, and then click Word in the pop-out menu.
You may instead need to click the “Where” drop-down box and then select a folder from there.
Depending on your browser’s settings, you may have to select a save location or confirm the download before the DOC file will download.