Not able to install sense..please help

I am getting the below error...

STEP 1 : executed kibana.bat plugin --install elastic/sense (Windows )

ERROR :

Installing sense
Attempting to transfer from https://download.elastic.co/elastic/sense/sense-latest.tar.gz
Error: Client request error: connect ETIMEDOUT 184.72.244.137:443
Plugin installation was unsuccessful due to error "Client request error: connect ETIMEDOUT 184.72.244.137:443"

What version of Kibana?

its Kibana 4.5.0