The longer you use it, the smaller the computer, as the files on your computer become more fragmented. To do this, you need to sort the files using the Defrag included in Windows. Depending on the size of the file, it may take longer. The way to do this is to open My Computer on your Laptop / Desktop and (C) Drive will appear. Right click and select Properties. Then select Optimize.
By following these four steps, your laptop / desktop will feel faster.