Then a tab will appear alongside manager/articles/queue
Go to the RnE tab and click all 5 boxes, and you're away
The only bad thing about it is that it uses up memory, so don't expect to be able to do much else whilst it's extracting - but then you can always turn it off to extract later
Download all you need to, run autounpack, setup the options, sit back, do something else, come back later and all is finished repairing & extracting ready top be burned or mounted.