can not access remote computer because of old version

HI, friends

suddenly i can not access my home laptop with teamview, and the software show " the remote teamviewer is running an old versoin which is out of data, therefore, you can not connect to this version anymore, your connection partner can update teamviewer by clicking on "help":check for new version".

but i lost connect, how to update new version for remote laptop? i will stay abroad over 2 months, so angrary for that. If buy ticket to go back home , cost is very high. 

please help me fix it. or ..

thanks

chris