Click on Add zip file(s) on the very first screen.
Click on Add Zip file(s), to add the corrupted zip file.
Select the corrupted zip file and click on Open.
After adding the file click on Ok.
Now, click on the Save to disk option, shown on the upper left corner.
Now, select the desired location to save the file, by clicking on three dots (…).
Finalize the location for the file and click on Ok.
Finally, click on Save.
When the whole process is done, you will get the file details. Click on Ok to finish.