Dell Inspiration 15 5000 Series Upgrading parts

[Luke__]

I have have a dell and i was wounding multiple things. i have the standard non-touchscreen model

1) Can i upgrade my laptop screen to the touch screen model (without getting a new motherboard....)

2) Can the RAM be upgraded And What is the max amount.

3) can the possessor be upgraded. I7 would be the best but if not whats would be the next best thing

My Dell Laptop Website: http/www.dell.com/uk/p/inspiron-15-5547-laptop/pd

 

[CTurbo]

The RAM and hard drive are the only 2 components that you can upgrade easily and cost effectively.

 

[Luke__]

The RAM and hard drive are the only 2 components that you can upgrade easily and cost effectively.

But can it be done ?

(money is not a problem)