I'm wholly with Hans on this one. Reimage is a waste of time as, indeed, are most similar products. The general advice (both here and in the technical press) is to steer well clear of software which promises to 'clean' your computer.
However, if you're determined to try something anyway, there's just one program that's well-regarded (and frequently recommended, both here and in the technical press). It's the free version of CCleaner:
https://www.piriform.com/ccleaner/download