OpenSuse uses RPM correct?
Which DE do you use for OpenSuse?
And I will NEVER live that down I see
The standard is KDE - I do not know of an alternative, although I could be mistaken (happens every 100 years or so ).
Be aware, too that openSUSE is one of very few Linux Distros that does not provide for a Live "try before you buy" scenario. It is install or nothing. I can provide articles if you want a read, or else search under eg
openSUSE no Live option