You can easily find the RAM slots because they are usually long, rectangular parts with clips on either side. To add new modules, just slide them at anew slots sites 2023n angle into the vacant slots and then press down until they click firmly into place. If you are replacing an existing module, carefully unclip it before taking it out. Then, insert the new module using the same procedure. Reassemble your laptop after everything is firmly in place, then turn it on.