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You can only log in once at a time on a download server. If you want to download a lot of files at the same time file faster, use bittorrent :)
Important : This file URL is unique for you, if you want to link to this download, you will have to use: https://www.gamersyde.com/video_tom_clancy_s_the_division_e3_microsoft_demo_hq_-32261_en.html