Use the -window-mode exclusive command line arguments.
All of damage and score calculations are done from host. In case host get lagged, damage numbers will not appear and both hosts and mobs will appear not responding. Other players still able to move and see each other while host is not responding.
Restore mhyprotect.Sys from your Anti-Virus and add it to exclusion list
Make sure that:
Code (21, 40007, 149)
Code (21, 40003,81)
You can choose one of these solutions:
Use Unifairy.sys Denial and select the second option to remove it from system32
Make sure that you have enabled Ultrawide Compatible in Settings/More and to restart the game once.
Extract any .srt from the .zip files manually in <path-to-game>\BH3_Data\StreamingAssets\Video to the same folder.
This usually happens on Windows N, make sure you have installed Windows Media Feature Pack
Go to Control Panel\Region\Formats and change the Format to English(US) or English(UK)
This is the official specs since the first beta release on CN server, do not use this as reference due to newer requirements.
This system requirement is applied for version 3.8 and later (Post-Honkai Odyssey), guarantee to be playable with 60FPS Max Settings and at least high resolution 1080p.