Sometimes it may seem safer to go back to the days of the Pony Express rather than deal with the multitude of online threats, but there are some simple steps you can take to minimize the risks you face.
First, get a security suite, although there are about a dozen good suites, free and paid, out there. Go with one that gets good ratings and that you trust, and make sure that you let it update and scan regularly.
Second, I strongly recommend using a password manager that's independent of your browser. Not