Cannot download Catalina from Apple

I have upgraded my old iMac 2015 to the latest Big Sur OS, however, I thought the new OS run not that smoothly as the old 10.15.x system. So I want to download the old OS like Catalina and reinstall it.


I followed this doc <How to get old versions of macOS> .


When I click the link to download the Catalina OS, the https://apps.apple.com/us/app/macos-catalina/id1466841314?mt=12 show me one empty page. I check the browser developer console and it said one 404 error like this:


Summary

URL: https://apps.apple.com/us/app/macos-catalina/id1466841314?mt=12

Status: 404

Source: Network

Address: 221.193.246.66:443


I cannot download Mojave, High sierra as well.


Have you ever meet this issue?


Thanks.


iMac 27″, macOS 11.2

Posted on Apr 16, 2021 6:38 AM

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Cannot download Catalina from Apple

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