How can I get my passwords back?

[Oloasa]

I am not sure if it is Ok to post here. I have some trouble with game passwords. I can't login to some of my game account as it just poped up that wrong passwords. I am 100% sure that I have nver changed my passwords. I suspect my mom did this as she has been nagging these days that I spent too much time on these games. I even saw her viewing these Mac Keylogger and Mac Spy webpages. I believe it is not a coincidence. My questions is how can I detect this keylogger and whether I can get my passwords back if all my account has changed?

[KuRIoS]

Don't you have any antivirus? or ad-ware detector?

[Stige]

Not sure if srs lol, mom installing keyloggers etc lol