The strikethrough probably needs to be deleted here and the URL needs to be expanded with a /.

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What do you mean by download?

A) Should the website be saved as a project in a backup copy (file extension .iwzip) on the hard drive?

5 Export > Export Project

B) Should the web page be saved to disk as HTML code?

5 Export > Export Website

C) Should the website from the Internet be saved to the hard drive?

Then use a program like HTTrack (free).

The web pages that were saved to the hard drive using methods B) and C) can no longer be edited in WEbSiteX5.