What happens if BitLocker is turned on?

If BitLocker is turned on, what specific changes or security enhancements can I expect to see on my device? Will it impact my day-to-day usage of the device, and how can I ensure that I can still access my files and data securely? Is there a specific process I need to follow to enable BitLocker, and are there any potential drawbacks or limitations I should be aware of? Lastly, how can I monitor or manage BitLocker's status and ensure that it remains active and up-to-date?