If you work in PC technical support or services, the following tool may be of great help.
TeamViewer is an excellent application designed to accomplish tasks through remote access. This application is capable of granting access form one PC to another with the obvious consent of both parties.
This great utility will be of great help if you're providing technical support, since many issues can be solved without having to be physically present with the device in question.
In addition, it has a shared desktop system, which means many PCs can visualize your desktop and the tasks you are carrying out, while at the same time offering choices about image quality and data speed.
An essential tool suitable for technical support.