Hi, Anitha
Go to this Link https://powerbi.microsoft.com/en-us/downloads/

Then click on Advanced Options. Select the language and click on download.

Then select the package you want and click on next. The downloading starts.

After the download is complete, start the installation.

Click next. Tick the user agreement.Click on install

Once the installation completes. click on finish,

Power BI is successfully Installed.

Hope this helps you.
Happy Learning.