There is a lot of advice on password creation, some of it outdated, some quite useful and a lot starts negatively with Don’t.
Set a strong password based on 3 or 4 simple words and keep it unless you have reason to think it’s compromised. Click here for some positive suggestions
It is suggested that passwords are long, ideally 12, 14 or 16+ chars. Long and simple is better than short and very complex
There are a couple of high profile cases of password managers being breached too.
Watch the video for tips and prevention advice on how to keep all your passwords secure, complex and different.