How to avoid Keylogger

what is Keylogger?
Keylogger is the practice of record button on the keyboard, usually people who use the keyboard unaware that they are supervised. There are many methods of keylogging, ranging from hardware and software that is based to the acoustic and electromagnetic analysis.

When we halt our internet network security, we can use the facilities in the window. This facility named "on screen keyboard"
located on the star / all programs / accecories / Accessibility / on screen keyboard