Friends, first you need to take a good look at a template that takes a professional blog, then you will find these templates where you can find different websites where free templates and paid templates are available. If you do not know, I can tell you the name of a website from where I’m using the template myself I go over there and from there you can download, and you can edit the name of the website of the weblyb.com.
Now after downloading your template, you extract that one by saving it in a folder on your computer. Then you will go to your blog or in the template options and you will see that there is a place called 9 theme themes in the templates, click here. After that, you will see an option called Backup or Restore, First of all, upload your template.xml file and upload it after uploading and then upload it.
After uploading your template, there are several main tips to follow, which are very important like, first you have to fix gadget and then edit your menubar and edit the context post, edit the posterior post, and edit your blog by power by blogger And the logo that you have on your blog will be put in the logo.
Friends this is a full detail if you have any doubt you can comment us i will clear your doubt.