Does your laptop lag when you're using it? Before upgrading check this:

[Crazyfortech]

If the computer slows down when you're running more than one application at a time, you may be running short of memory. It's a good idea to know how to check how much RAM you have to determine if that is really the limiting factor before going out and purchasing any hardware changes. I have found a fantastic guide explaining how to do it both on Windows and Mac on DeviceFixes. The first step towards a faster machine is to know what you currently have!

For More:- https://devicefixes.com/blog/how-to-check-ram/