Free Domain Provider www.dot.tk Be thankful of them
Steps1.Go to www.dot.tk and search for the domain name and click ok
Now there are three option like
fill forward this domain to your blogaddress like www.yourblogname.blogspot.com
Dont use other option
Now set registration length upto 12 months
fill the capatcha
click signup
use one of ur google or facebook account for signup
after the loading
click sign in
and sign in via the which is used for signup
Open another Window Goto your blog dashboard
click settings then Click add a custom domain
then switch to advance setting
type your domain name in format www.yourdomainname.tk
\
Click save You get an error message
now Copy the Cname and destination and paste it in .tk modification panel
You will be better understand by picture
open .tk domain panel
Click your domain then do as the picture says
When you click save Changes this message appears
wait about 10 minutes and thenClick save as well as in in blogspot
Click Save
then this will appear your free domain become live
Thanks