Install SQUID proxy in a Windows 7 LAN

Hi, We need to install Squid server in a Windows 7 Ultimate computer controlling a LAN and a WIFI access point serving 7-10 clients. Connection to WAN is through a dynamic IP and a ADSL router in a FFTH. Worker should send detailed information and to be able to access server though Teamviewer or similars. We will provide all the requires information. SQUID can be installed in a second computer if needed but should protect Windows 7 LAN.