In Munich all participants get access to the wifi Eduroam network, which works in all university buildings. You can find further information here.
Use of the LMU computer lab is only available to full-time LMU students. Summer/Spring language course or summer/spring academy participants are unfortunately not permitted to use these computer labs.
Furthermore a lot of coffee shops around the main building of the university have free Internet access (Wi-Fi).
If you do not bring your own computer, there are several internet cafes (callshops) all over the city. (costs per hour approx. 2,00 €).
Students, who reserved their room via a MISU program get free Internet access in their student residence. An Ethernet cable (LAN cable) is needed, because the rooms are not equipped with Wi-Fi.
Wireless internet access is included at the accommodation in Vienna.