It is becoming increasingly popular to regularly upgrade RAM (memory) in your laptop to accommodate constantly growing appetite for web intensive browsing or running more instances of virtual machines. This instructable is describing the process of upgrading (or replacing) RAM in unibody MacBook Pro 13 and 15 inch models. I used 15" model in my photos, but the process is very similar in 13" MacBook Pros. So let's get started. I made it at TechShop (www.techshop.ws), they have a whole bunch of really convenient large tables in the common area with some great lighting.