1. Downloaded Bitcoin Core and allowed the whole blockchain to download (approximately 730GB)
For clarifications to those who will find this topic on search engines, please specify the Bitcoin Core version that you've used.
E.g.: latest version 28.0, old version, etc.
After Bitcoin Core completes the download and is ready to be used click on Create new wallet. Encrypt it with a password and remember it.
And, specify the steps that you've used to create the wallet.
Those are important information to guarantee that the provided instructions will work on the a specific Bitcoin Core version.