Extract the archive to a folder like D:\PortableApps\BlueIris or a USB drive. Do not extract to C:\Program Files (that would defeat portability).

Go to Settings > Clips and Archiving . Set your "New" and "Stored" folders to a dedicated drive to prevent the system drive from filling up.

: Built-in web server and dedicated mobile apps allow for viewing live and recorded footage from anywhere.

Viewing live feeds from multiple locations simultaneously.

Here are some details about this software version:

The download was labeled simply: Blue Iris 5.3.8.17 -x64--ENG--Portable .