it will be faster ... not to forget it it required... that you download from your own link...in that way, the legitimacy of the recipient can be verified
Dan Patterson would be correct on this one. I would love to be able to upload the file for you, but it wouldn't be allowed. Our policies would require that you access your My.Esri account and download the install media. If you were having problems downloading the file from the site you could contact Esri Support and after they verify that you're currently on maintenance and have access to this they could host the install on a secure ftp site for you to download it.
Alternatively, do you have access to the ArcGIS for Desktop ISO/DVD? The ISO image or DVD has the 64-bit Background Geoprocessing packaged with the rest of the ArcGIS for Desktop related software.