The most common upgrades these days in laptops are RAM and storage drives. The latter is a recommended task on machines that sport a mechanical drive, which can be upgraded to a vastly superior [https://www.partitionwizard.com/clone-disk/upgrade-laptop-hdd-to-ssd.html|SSD solution].
If you want to be certain you'll be upgrading using the correct parts, Crucial — which sells branded RAM and SSDs — you can use a handy tool like Crucial, which can quickly check if you're able to upgrade the memory or storage in thousands of laptop models.
'''Check out how:'''
# Head to [https://www.crucial.com/usa/en/upgrades|Crucial's website].
# Select the manufacturer of your laptop.
# Choose the product family.
# Select the model of your particular laptop.
# Hit "Find upgrade".
The tool should return results as to what type of RAM your laptop supports and whether an SSD upgrade is in on the cards.
'''Tips:'''
For upgrades, be sure to double check for the SSD compatibility, but this is what you should be aiming for in terms of capacity and speeds — so long as your laptop can support such component upgrades.
It's also worth noting that you'll need to clone the old drive to continue using your Windows installation on the new storage solution. That or you can re-install Windows on the new storage drive to start fresh.