newbie needs help with backup instructions

[chemtype]

thanks for the reply.... very much appreciated... however i am a computer idiot and most of the time don't know what i'm doing. How do i extract, what is the executible archive, how do i find the installation directory, how do i execute the REGSETUP.EXE and where is it?
sorry to frustrate you with my lack of computer knowledge. any help will be muchly appreciated.