Personal Computer – It is one of the essential elements of daily life that we have. As soon as you install an operating system like Windows, your personal computer requires some essential applications to add to the utility of your personal computer, but you have to be very careful to choose the right software because it may slow down the system or problems may occur even if not installed correctly. But the choice of programs for your machine totally depends on the person, but still there are top 5 essential software or applications that you must have installed on your machine, listed below. Antivirus – Antivirus is the most important essential element of our personal computers that we must have installed. Antiviruses play an important role in your computer system to prevent viruses, intruders, malware and hackers from intercepting your system and taking control of sensitive data. Antivirus also scans our virus-infected systems to eliminate and neutralize viruses and malware, which in turn improves the overall system performance, thus helping improve system health. Mostly viruses and malware intrude into our system...