There might be some software that is being updated in the background, so have a look at the taskbar and kill all the unnecessary programs and software. This is one of the most common factors that people tend to forget while having low downloading speed. One of the most effective methods is to quit unused programs running in the background and eating up downloading speed from the taskbar

Sometimes disabling the windows firewall while downloading can also improve your download speed but make sure while you disable the firewall, stay away from malicious websites and web apps as they can harm your pc when you are exposed to malicious websites. Windows update could eat up all your data while you download the game, pausing it for a while won’t have any significant effect on your windows performance. This is an effective way to increase the download speed of the Epic launcher without any software or tweaking.