Operating system Windows (9x, Me, XP, Vista, Seven) Free navigation in the file structure, ability to optimize and configure systems. System cleaning and maintenance with anti-virus programs. Good knowledge of office programs (MS Word; MS Excel, MS Powerpoint, MS Outlook), perfect use of archivers (RAR, ZIP), other programs: Corel, Photoshop, MS Visio, Dreamweawer, CutFTP, internet navigation programs Possess MSIE, Opera , Firefox, Chrome