Home › Forums › SharewareOnSale Deals Discussion › Ashampoo WinOptimizer 2021 / May 15 2021 › Reply To: Ashampoo WinOptimizer 2021 / May 15 2021 May 15, 2021 at 10:22 am #17910720 Quote jazzGuest what is the difference between winoptimizer 2021 and winoptimizer 17? which is newer? i am confused by their version system.