Turns windows desktop, windows phone or Surface tablet into an advanced extra display for Windows PC and Surface tablets. Windows Desktop screen content is shown on Windows device display. - Windows Desktop Extension (x10-sion) - Windows Desktop Duplication (screen mirroring/cloning) Instruction manual, documentation and detailed setup: https://spacedesk.net/user-manual Quick Guide: 1. Install spacedesk DRIVER software for Windows Primary PC (server). Download: https://www.spacedesk.net 2. Install this app - spacedesk (remote display) app for Secondary Machine (client). 3. Open spacedesk (remote display) app and connect to your Windows Primary PC (server).  Network connection: Server and client must be on the same LAN and/or WAN.  Alternative connections:  - via Mobile Hotspot  - via USB Tethering  Note: Does NOT need internet connection! The Primary Machine (Windows network display server)... ...runs Windows 10, Windows 8.1, Windows 8, or Windows 7. Macs are not supported. Dual monitor and multi monitor configurations are supported. Needs spacedesk drivers installed. Download: https://www.spacedesk.net The Secondary Machine or Device (Windows network display client)... ...is a windows desktop, windows phone, Surface tablet or device running the spacedesk Windows app. The network... ...connects Windows Primary Machine to Secondary Machine or Device over LAN (Local Area Network e.g. Ethernet) and/or WLAN (Wireless Local Area Network). Network connection can be wired or over WiFi. TCP/IP network protocol is required. Need more help? Please visit: https://www.spacedesk.net instruction manual: https://spacedesk.net/user-manual support forum: https://forum.spacedesk.ph facebook: https://www.facebook.com/pages/spacedesk/330909083726073 Youtube: https://www.youtube.com/watch?v=YkWZSwBD-XY Similar wireless display technology alternatives: AirPlay Miracast WiDi