The answer to 'how is' will be relative. You can love one software & its interface and any second person can love another.
Personally, I find Segate's software a crap and same goes with WD's software. May be because I prefer to backup everything manually..
How do you backup the OS manually And why do u think seagate and WD are crap?
Something from here is good as these are free:
*www.techsupportalert.com/best-free-drive-imaging-program.htm