Lenovo 4GB DDR3L 1600 Desktop Memory Module, Low Voltage Version, Compatible with Standard Voltage

1. Open the computer case and locate the memory slots (clean the slots if necessary)

2. Remove the existing memory (skip if adding memory)

3. Align the memory module with the slot, ensuring the notch matches

4. Press down firmly until you hear a click, indicating the module is securely in place

For more detailed information on supported memory, motherboard compatibility, and memory identification, refer to the user manual or use hardware detection software.