Failed to download package 'System.Memory.4.5.3' from 'https://www.myget.org/F/workflow/api/v2/package/System.Memory/4.5.3'. The download of 'https://www.myget.org/F/workflow/api/v2/package/System.Memory/4.5.3' timed out because no data was received for 6

Failed to download package ‘System.Memory.4.5.3’ from ‘https://www.myget.org/F/workflow/api/v2/package/System.Memory/4.5.3’.
The download of ‘https://www.myget.org/F/workflow/api/v2/package/System.Memory/4.5.3’ timed out because no data was received for 60000ms.
Exception of type ‘System.TimeoutException’ was thrown.

Does it work now? My first guess is that there were some problems with myget at that moment

Try To Install By connecting to open network

Link need to whitelist in organization