Also, considering permissions—running the installer as administrator might help if there are access issues. Another thing is driver updates for the USB ports to ensure compatibility and speed.
I should also think about game-specific issues. Some games might have specific requirements that conflict with external storage. For example, Steam games can be installed on external drives, but some components might be on the system drive. The user might need to configure the game to install all components on the USB HDD. usbahdgameinstallexe top
Also, considering the "top" aspect, maybe they want the best practices for installing games via USB, such as defragmenting the USB drive, using AHCI mode for USB connections, or even converting NTFS to exFAT if needed. considering the "top" aspect