Mac memory usage is often occupied by apps, even browsers like Safari or Google Chrome. In the most dire circumstances, your Mac will toss a warning at you: “your system has run out of application memory.”
How to close websites in Activity Monitor
Toggle over to the "Memory" section, located toward the top of the Activity Monitor window. 5. Look at the bottom of the window to see your current memory usage information.
Open the clips on either side of the RAM module so it can pop up. Remove the RAM module from the slot, then repeat this process for the module underneath it. Insert new memory modules into bottom slots, taking care to properly align the notches. Press the raised edge down until it clicks into place.
To find out how much memory your Mac has, click on the Apple logo in the top-left corner of your screen and select About This Mac. On the Overview tab, the Memory line lists the amount of RAM in GB, the speed of the RAM in MHz, and the generation of double data rate (DDR) you're currently using.
From the Dock, click Finder. In the Sidebar, click Applications: If you do not see the Sidebar, click the View menu and Show Sidebar. If you do not see Applications, click Finder > Preferences > Sidebar and select the “Applications” box.
RAM gives applications a place to store and access data on a short-term basis. It stores the information your computer is actively using so that it can be accessed quickly. The more programs your system is running, the more you'll need.
It is simply a task manager that shows you the apps and processes that are running and how they use your Mac's memory, CPU, and energy. Simply go to the Applications folder > Utilities > Activity Monitor. You will see 5 tabs on the window. You will only need to look at 2 tabs, CPU, and Memory.
Go to System Preferences and create a new user with admin privileges. Log out, then log back in as that user. Delete all of the other user accounts, and answer "yes" to the question if you want to delete their data. Open Disk Utility, and do an "Erase Free Space".
How to check application memory on Mac? To check RAM usage on your Mac, go to Activity Monitor (Applications > Utilities). In the Memory tab, you will see all the active processes that are using your Mac's RAM. At the end of the window, there is a Memory Used graph, which indicates how much application memory is used.
Free Up Space on MacBook Air or MacBook Pro (12 Easy Ways)
This may also help speed up your Mac.
Delete unneeded media, such as music or movies or podcasts, which can use a lot of storage space. Delete unneeded files in the Downloads folder. You can open the Downloads folder from the Dock or by choosing Go > Downloads from the menu bar in the Finder. Delete unneeded email in the Mail app.