If the download speed drops to 0 periodically, check your disk usage. The launcher often pauses the download to uncompress and write files to the disk.
Try increasing this to to see if your speed improves. Avoid setting it too high (e.g., 32+), as this can often lead to crashes or slower overall performance on most home connections. 2. Check for Disk-Write Bottlenecks
If you are experiencing a , you are not alone. While Heroic is often praised for being lighter and faster than the official Epic Games Launcher, its backend tools—like Legendary for Epic and gogdl for GOG—can sometimes hit bottlenecks.