How to secure files on Windows 11? (opens in new tab)

Hello, sorry if this isn't the right subreddit to ask, I wasn't entirely sure where to post, and English is not my native language.I recently got hit by a trojan malware, which forced me to reset a lot of things and completely update my knowledge on online security. It’s been about 10 years since I last tried to secure a file with a password.I have sensitive work documents on my computer and want to know what is the standard, secure way to protect files in 2026 ? Is it still just the basic Wi...