RAM is one of the simplest ways to upgrade. No Operating System or software ... guarantee reliability and 100% compatibility with your computer and operating system.

Be aware that most Macs, and a number of PCs laptops today have RAM soldered down. While this doesn’t necessarily prevent an upgrade, it does take it out of the DIY category and get costly.

A lot of systems stick with RAM that is soldered to the motherboard to save space inside, which removes any possibility of a DIY upgrade. There are ways to figure out if your laptop's RAM can be ...