Itunes Taking Too Long To Download Software Update [verified] -

Firewalls and antivirus programs can "inspect" the incoming data, slowing it down.

Security software is the most common "silent" killer of download speeds. It monitors every packet of data coming through iTunes.

High-resolution software files are often several gigabytes in size. itunes taking too long to download software update

Instructions for to skip iTunes entirely

If your iTunes is outdated, it may use older network protocols that are slower. Go to Help > Check for Updates. Firewalls and antivirus programs can "inspect" the incoming

Select your specific device model and the firmware you want.

Type ipconfig /flushdns (Windows) or sudo killall -HUP mDNSResponder (Mac). Restart iTunes and try again. Download the IPSW File Manually itunes taking too long to download software update

Ensure your macOS is up to date, as iTunes is now integrated into Finder. Advanced Troubleshooting Flush Your DNS