Typically, most bonus offers, such as free spins and bonus spins, are valid for around 30 days after receipt.
This means that the welcome offer can be used up to 30 days after you make your first deposit or registration has been completed.
You can find information regarding how long the bonus is valid for in the T&C’s or on the casino’s social media accounts.
It’s important to check as the time limit for bonuses will vary between sites.