There are many reasons for slowdowns and hangs of your computer. For this you have to try out several solutions and the actual cause to it. There are some basic steps that you should perform in case of slowdowns and hangs. Moreover you don’t require any external software.
Back up the data on your computer if your computer is slow or freezing often. To back up data, plug in an external hard drive or insert a CD or DVD and copy important files onto the storage device. You can simply drag the files from your computer into the storage device’s folder. You also can use the Windows backup and restore utility. Open the backup and restore utility in Windows from the “Control Panel” and follow the prompts to create an entire clone of your hard drive.