The high memory footprint caused by lag can be solved by closing the startup items, adjusting the visual effects, limiting high occupancy programs, and cleaning up the background services. The specific steps include: 1. Disable non-essential startup programs such as QQ, WeChat, Chrome, etc. through the task manager; 2. Adjust the visual effect to the best performance in the system properties or manually turn off special effects; 3. Check the task manager process tab page, restart or update programs with abnormal memory usage, and browser users can install the tab management plug-in; 4. Check the memory usage, run sfc /scannow through the command prompt, update the system patches, or carefully disable non-essential background services.
As Windows 11 is used, memory usage is getting higher and higher, and lag has become the norm. In fact, this problem does not necessarily mean that the hardware is not good, but is often a problem with system settings or background programs. The following methods can help you troubleshoot and alleviate the use of high memory.

Close unnecessary startup items
Many programs start by default and take up a large amount of memory as soon as they start. You can open the task manager (Ctrl Shift Esc), click the "Start" tab, see which software is not necessary, and right-click to select "Disable".

Common items that can be closed include:
- Chat software (such as QQ, WeChat)
- Browser (especially Chrome, opening multiple tags will consume memory)
- System tool software (some security software comes with a bunch of services)
After turning off these, the memory usage will be reduced immediately when powering on.

Adjust visual effects to free up memory
Although the animation and transparent effects of Windows are good, they will also increase the resource burden. You can adjust the visual effect in "System Properties":
- Right-click "This Computer" → Properties → Advanced System Settings
- Under the Advanced tab, click Settings next to Performance
- Select "Adjust to Best Performance", or manually uncheck some special effects
This operation is especially useful for low-end machines, not only reducing memory pressure, but also making the system more responsive.
Check and limit high memory usage programs
Sometimes a program itself has memory leak problems, such as the browser opens too many tabs, some old games, or multi-threaded applications. You can see how much memory each program uses in the "Process" tab of Task Manager.
If you find that a program consumes memory abnormally, you can:
- Try restarting the program first
- Update to the latest version (maybe fix memory-related bugs)
- Or try another alternative software
For browser users, it is also helpful to install a tab management plug-in and clean unused pages regularly.
Clean up background services and system processes
Some of the services that come with Windows may also secretly eat memory, especially processes such as "Windows Explorer", "Search", and "Windows Update". You can view it in the following ways:
- Open Task Manager → "Performance" tab → Click "Memory" to view the usage of each system component
If you find that a service consumes too much memory for a long time, you can try:
- Run
sfc /scannow
using command prompt to scan system files - Update system patches
- Or disable non-essential backend services in "Services" (cautionary)
Basically these are the methods. Start with the simplest thing, such as closing the startup items and cleaning programs, and then gradually deepening into the system settings. In most cases, adjusting can significantly improve memory usage.
The above is the detailed content of How to fix high memory usage in Windows 11. For more information, please follow other related articles on the PHP Chinese website!

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