Installing an SSD into a Late 2011 MacBook Pro! (READ DESC) - YouTube
MacBook Pro 13" Unibody Early 2011 Repair - iFixit
Early 2011 MacBook Pro 15" 16 GB RAM & Hard Drive Upgrade - YouTube
Replace your 2009-2012 MacBook Pro HD with an SSD
If I upgraded my dead late 2011 Macbook Pro with an SSD, more RAM, and a fresh battery, could I run anything later than High Sierra on it, or is that kind