Are you having a functional or performance issue?
If not, don't worry.
You might check task manager/resource monitor/memory/ hard fault page rate.
Any number more than zero indicates insufficient ram and use of the page file to compensate.
If you are using a HDD that is awful. A ssd is some 40x faster.
Ram utilization is a bit of a misnomer.
Windows will not flush ram of unused code.
It keeps code around in anticipation of possible quick reuse.
That said, 4gb is just too small.
Go to crucial or kingston and access their ram upgrade app.
Enter your laptop and you will get a list of supported upgrades.
Look for 16gb.
A second issue is the use of Chrome. It reserves LOTS of ram.
Your list shows chrome(12)
It may be that even though you have only one instance open, there are 11 others lying around.
Unless there is a feature of Chrome that you need, look at Firefox as a replacement.