Hi @jigme yonten ,
Error 1309 occurs usually because of insufficient permission to the destination folder in which the product is being installed or compromised product installation package, etc.
Please check if you have enough permissions to install it. And you can try to uninstall the installation package and reinstall it.
There is the official download address: https://www.microsoft.com/en-US/download/details.aspx?id=42299
And at the same time, I want to recommend downloading the latest 2019 version: https://www.microsoft.com/en-us/sql-server/sql-server-downloads