Since Bitcoin Core doesn’t have a "Buy" button, you must use an external platform: How Do I Get Bitcoin and Add it to Bitcoin Core - Bitget

Before you can receive Bitcoin, you must have the software ready.

: Ensure you have enough disk space (often over 700GB as of 2026).

: Always download the software from Bitcoin.org to avoid malicious versions.

: This can take anywhere from several hours to several days depending on your internet speed and hardware.