The installation of Windows (XP, VISTA, 7, 8, 10).
The installation package of the Drivers (CPU, Audio, Video, Network, USB).
Installation Of Microsoft Office (2003, 2007, 2010, 2013, 2016).
Virus removal: Trojans, Worms, etc.
Clean cooler and fan from dust.
Grease of the CPU and fan.
Installation and configuration of Routers/Routers/Modems.
Install and configure Printers/Scanners/MFP.
Configure and update Smartphones/Tablets.
Update firmware and maps Car Navigation.
As well as configuring any other hardware...