The price for refurbished computers includes a full computer service. This will include installation and updating of the operating system to the latest release. Anti-Virus sofware will be installed and set-up. Office software will be installed for word-processing and spreadsheets - If Microsoft Office is not on the computer then LibreOffice will be installed and set to use Microsoft file formats. A selection of Internet Browsers will be installed ususally MS Edge, IE, Firefox, Chrome and TOR. The computer will have been tuned for performance. Refurbished PCs will have a minimum 3 month guarantee. Many refurbished computers will have a 12 month guarantee. See the individual descriptions for details.