Sony Vaio Pcg-61211m Specification ((link)) Site
For Windows 10, upgrade to at least 8 GB (one 8 GB stick in the free slot, giving you 10 GB total if 2 GB is soldered). This model benefits significantly from more RAM.
For Windows 10, upgrade to at least 8 GB (one 8 GB stick in the free slot, giving you 10 GB total if 2 GB is soldered). This model benefits significantly from more RAM.