How would you improve this laptop model "Notebook HP 15-rb028ur, 15.6"?

Question

Iron

Main characteristics
Processor AMD A4 9120
Processor, frequency 2.2 GHz (2.5 GHz, in Turbo mode)
Number of processor cores dual-core
RAM 4096 MB, DDR4, 1866 MHz
Graphics controller type integrated
Graphics controller
HDD capacity 500 GB, 5400 rpm

Answer 1

SSD and the second same memory bar to enable dual-channel mode.

Answer 2

I would replace it with a poppy beech, for example Air.
And on the topic - change the disk to an SSD, increase the RAM (if possible)
But this will not give a big increase.
What is the task? Why do you need to improve the laptop? what programs?

Answer 3

I would replace it with, say, Asus Predator.