See Avant Browse Review At Youtube ( Lower Avant Browser RAM Usage ):
Avant Browser is freeware. That's right. 100% Free! No cost to you ever. No limitations. No Adware. No Spyware. You can donate if you want, but it's certainly not required.
Avant Browser is a standalone application designed to expand features provided by Internet Explorer, Avant Browser latest update also made their Ultimate Version which supports both IE and Firefox rendering engines.
Avant's on it`s latest update features include :
No ADs, No Malwares!
Lowest Memory Usage Web Browser
Video Sniffer
Download Accelerator
Autofills
Mouse Gestures
Flash Animation Filter
Built-in AD/Pop-up Blocker
Built-in RSS/ATOM Reader.
Additional Mouse Functions
Multi-Window Browsing
Real Full Screen Mode and Alternative Full Desktop mode
Built-in Search Engine
Full IE Compatibility
Control Your Privacy
Safe Recovery
Skins
Support for 41 languages
And More...
To test the browser in your own windows PC just grab the latest suitable version to suite your need at their official download link.