I'm sorry that your backup didn't work. That was the right thing to do, because the download links expire after 30 days as explained in the very first
FAQ.
With COVID-19, it may take additional time for customer service to respond, but that's the only way to get a legitimate copy.
Once you have the installer and any additional content packs, copy them to a portable USB drive or upload them to OneDrive or Google Drive so you'll always be able to access them again if needed.
YouTube/optodata
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