Based on my personal feeling (I won't perfunctory you to find the information post):

I feel ok after using it. In fact, the optimization master used in peacetime is similar. This is from the optimization point of view, you can clean up the garbage or clean up the corresponding folders yourself. In terms of functions, win7 optimizer has many functions, such as system beautification, which is very suitable for novices and I have been using it. I'll show you a picture.