The reason why most computers end up running slowly is because they end up not being able to read the files and settings that they need to run, either because they are damaged or because they are lost inside a mountain of junk files.
Getting a computer to run faster is something that a lot of people want to do, but only a few can achieve. However, the good news is that most of the time, a computers slow speed will not be caused by a hardware issue or even because your system is old. Most of the time, computers run slowly because they are struggling to read a lot of junk & corrupt files.
The biggest cause of a slow computer is down to how Windows treats all the settings it needs and all the files it has inside it. Each time you use your PC, it needs to read 100s of settings, and that causes confusion which leads it to save many of these important files in the "wrong way". This is a problem for all Windows computers, and is held responsible for causing 90% of slow systems. Not many people realize how much of a problem this is and focus purely on upgrading hardware or buying a new PC... when in fact, its actually very easy to cure by cleaning up your current system.
The reason why reinstalling Windows seems to make your PC run faster is because a fresh install of the OS will not have any corrupt or junk files inside. Instead, it will have them all in order so Windows can read the files it needs instantly. This means that if you want to make your computer run really fast, you should start by fixing any of the damaged or junk files that are slowing it down. And fortunately, you can use a software tool called a "registry cleaner" to do this.
Whenever Windows loads up, it has to read a series of settings and files to help it "remember" a lot of the important details that you have on your system. Such information as your desktop wallpaper and even your login details all need to be stored and recalled each time you use your PC.
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