Put the cover back on and power up the system. Most systems will recognize the increased memory automatically. Usually the only tool required is a screwdriver for removing the system cover. On some systems, a thumbscrew needs to be loosened to remove the cover - eliminating the need for a screwdriver altogether. 1st-Memory Warehouse's memory products are occasionally shipped with simplified instructions.
Most users can install memory without assistance.
Boot your system and watch the extended memory count on the startup screen. For every MB of memory you have, the number shown will equal approximately 1000. If your system does not automatically recognize the new memory, the computer should give you a memory mismatch error and ask if you want to enter setup. Enter setup then simply exit setup, saving all changes. On the SIMM there will be a notch on one side.