You will get mixed views as some registry cleaners are prone to messing up your pc others will work well on one pc but not another. also there is some who say the gains are not worth the risk.
do not pay for one as there are good free ones.
I use iobit advanced windows care click here
winaso registry free version cleans ten errors at a time click here
[with winaso deselect hp printer keys from its results before clicking the clean button if you have a hp printer]
as you are new back up your registry first with click here