Updates and patches for both your OS and even applications, all use more memory ... RAM do I need guide (below) before you start. Confirm with your laptop manual that your unit will take RAM upgrades.

But sometimes a laptop manufacturer can be particularly annoying, and restrict upgradability by soldering the RAM chips directly to the board. Upgrading memory should then be impossible ...

Before the family arrives for a feast of cooked bird and all the fixings (which hopefully doesn't descend into a food fight ...