Your ISP may be limiting your bandwidth and killing the download. T-Mobile and others are notorious for doing this.
If you are using a VPN, don't. Use a direct connection instead.
You are on a wireless connection and are using a hotspot.
Try plugging into a wired network; some wireless connections have trouble with large downloads and timeout causing the download to fail.
You don't have a lot of space on your hard disk. The download is 9.4 GB
Your antivirus is blocking the download. Exclude that file from your real-time scan and allow it to download.
Your browser is killing the download for some reason.
