help page: https://support.google.com/blogger/troubleshooter/1233381?hl=en
It will walk you through based on your requirements.
Let us know if you have any more questions!
~Sovereign
I am Using Blogger the Last 3 months and Now want to Make my Blog URL www.fulltechtricks.com instead of "http://fulltechtricks.blogspot.com/". Can anyone tell me how to make my Blog .COM

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