Computer maintenance is necessary for the normal, uninterrupted functioning of the office of any company. It is impossible to conduct business in the current conditions without modern office equipment. High-quality computers and other devices that help us in our work are not cheap. Buying new equipment is always a big expense. Therefore, it is so important to provide timely diagnostics, technical and service maintenance. To organize such processes, it is first worth understanding what specific activities are included in this list.