FreeBitcoin is a free faucet, undoubtedly one of the best, primarily because there isn't much advertising on the website and no redirection to other sites.
The operation is straightforward:
Register and confirm your email from your inbox.
Log in and go to the "FREE BTC" section.
Complete the captcha and click on "ROLL."
You can click on "ROLL" every hour to increase your BTC.
Recently, the ability to bet on sports matches has been implemented.
There is also the "Multiply Bitcoin" feature where you can bet to increase your funds (be careful not to abuse it to avoid losing the BTC you've earned "hard-earned").
