1. Turn your Sony VPC-EB33FM laptop over.
2. Find the laptop battery release button lock for your Sony VPC-EB33FM laptop.
3. Now that your Sony VPC-EB33FM laptop battery is unlocked, find the battery release button down.
4. Holding the laptop battery release button, gently pull your battery away from the laptop.
5. Now that your Sony VPC-EB33FM battery is removed, grab your replacement Sony VPC-EB33FM battery for installation.
6. Insert the battery into the slot. Push the Sony VPC-EB33FM battery towards the laptop and secure it in place.