How to browse search engine securely

Found the right file you were searching for, but downloading it is risky for you? Our technical experts are here to help you out.

All the websites we browse are not safe for the user. While downloading files from any site, we often see a message like a file is not safe. I have also read that one should not download any file from any low-security site, as hackers could easily hack the data. But if the file is important, what should I do?