How do I make sure my laptop is safe?

How can I ensure that my laptop is secure when dealing with cryptocurrency and financial transactions? Are there any specific steps I should take to protect my device from potential threats, such as malware or hacking attempts? Additionally, are there any recommended software or tools that can help me maintain a SAFE and secure environment for my financial activities? It's important for me to understand the best practices for safeguarding my laptop and the sensitive information it contains.