How do you delete files

One thing which frequently troubles the common computer user is that how do you delete files? The presence of many unwanted malware in the computed results in slow speed and at times the system hangs as a result of the presence of these in the machine. There is a need to effectively remove these from the system to maintain computer serviceability over a period of time. The answer to the question which goes ‘how do you delete files’ is one which needs to be answered and addressed by all users to maintain a healthy computer.