Not the best instructions, YouTube worked better for this laptop.
This wasn’t that difficult for me, you of course don’t need to replace the keyboard, or take out the motherboard.
After unscrewing the base and prying open the case, the keyboard side can be lifted out (Two cables need to disconnected). After unscrewing the 1 screw at the back of the HDD, I was able to slide it slowly out.
After removing the bracket from the HDD to my new SSD I slid the new drive in, screwed the bracket back down and closed up.
This should be a 4 step guide and down as moderate