which functions perfectly in Windows.
MS keeps releasing "enhancements" to IE which are not supported by other browsers.
If a developer uses those, they lock in IE, which is of course the strategy of the evil empire.
That said, Firefox is not always the best browser (particularly lately I have had more trouble with it), and it pays to have two or three and see which provides you with the
"Epiphany" is a simple, fast, rather compatible browser.
"Opera" has a free and a non-free version that I have found generally works with the
high-functionality sites. Presumably you know how to install new software on SUSE, certainly you can get that advice here (though not from me -- I do Debian.)