🌐 Browser Blocking Download

Chrome

Settings > Privacy and security > Security > Toggle 'No protection'

Opera GX

Settings > Privacy and security > Disable 'Protect me from malicious sites'

Microsoft Edge

Not Possible [Manual Keep Files Required]

On most browsers you don't actually need to disable Safe Search, when a file is downloaded and is flagged by any browser just hold CTRL + J and click 'Keep dangerous file' after downloading files.