Ceiling fans typically come with a specific number of blades, and it is generally recommended to attach all the blades that come with the fan. The number of blades is designed to provide optimal airflow and balance for the fan. Removing or attaching fewer blades than recommended can affect the fan's performance and balance.
If you have a ceiling fan with six blades, it is best to attach all six blades to ensure proper operation. Installing all the blades will help the fan function efficiently and maintain its balance while circulating air in the room.