Before you start cleaning your laptop, make sure you shut off your device completely.
'''Cleaning keyboard with rubbing alcohol:'''
# Start off by soaking some rubbing alcohol on a paper towel or a cotton swab.
# Gently rub the top of your keyboards. (Try not to spill any of the rubbing alcohol on your device because it could damage it)
# Continue the process until you are satisfied with the results.
'''Cleaning keyboard with a portable vacuum cleaner:'''
# With your hand held vacuum cleaner, gently vacuum around your keyboard. (The vacuum will suck up all the crud in the keyboard)
# Continue doing this until you have picked up all the dust/crud from keyboard.
Aside from cleaning your keyboard regularly, make sure to always wash your hands before you use your laptop. This will help keep it clean.