Simply installing new or additional RAM sticks can kick your PC's performance into high gear. Here's how to do it, plus four options to buy.

On laptops without soldered RAM, upgrading the memory is as simple as swapping out the RAM stick in its slot, an upgrade that can boost your laptop's speed.

It's a great option to have. You can usually find out if a laptop has an extra RAM slot by checking the product page. If the information isn't available, you can use Crucial's Memory Advisor tool.