Starting WordPress

I have installed WordPress on my host. Need help in setting up

# option to subscribe by email

# Buttons to share individual posts through social networking sites. Mainly Facebook and Twitter and + 1 if it is there.

# Add Google Analytics

# Add Infolinks ads.

# Promote one or more topic which do not disappear once new topics are posted

# Add Google Translate option

# Add Google Custom search
Thanks.