
Photoshop is a powerful image editing software that can be optimized for faster performance and improved user experience. While there are many ways to speed up Photoshop itself, improving your PC's performance will also enhance your overall Photoshop experience. This can be achieved through a combination of hardware upgrades, software adjustments, and mindful workflow practices. For example, freeing up RAM by closing unused Photoshop windows and non-essential programs can help optimize performance. Additionally, adjusting Photoshop's cache levels and tile sizes according to your specific needs can further increase its speed. Installing an internal solid-state drive (SSD) is another effective way to boost your PC's speed and overall performance, especially for computers running Windows 10 and 11. These strategies, along with other hardware and software optimizations, can significantly enhance your PC's speed when using Photoshop for painting and other creative tasks.
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What You'll Learn

Increase RAM allocation
If you are experiencing out-of-RAM or out-of-memory errors in Photoshop, you can try increasing the amount of RAM allocated to Photoshop. By default, Photoshop uses 70% of the available RAM.
To increase the RAM allocation, go to Preferences > Performance. Here, you can either change the value in the "Let Photoshop Use" box or adjust the Memory Usage slider. Adobe advises against allocating more than 85% of your computer's memory to Photoshop, as it can affect the performance of other essential applications.
If you are using Windows 10, you can also increase RAM allocation by adjusting your computer's virtual memory settings in the System Configuration tool. To do this, press the Windows key + R, type "msconfig", and press Enter. This will open the System Configuration window, where you can manage various startup and system settings. Navigate to the "'Boot' tab and click on 'Advanced Options'". Here, you can specify how much RAM your system should use during boot-up, allowing for better resource allocation. Check the "Maximum Memory" box and input the desired amount of RAM.
In addition to increasing RAM allocation, you can also improve Photoshop performance by using SSDs, closing unused Photoshop windows and non-essential programs, limiting layer styles, and using smaller tile sizes for simpler tasks.
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Reduce thumbnail previews
When using Photoshop, each time you change a document, the program updates all the thumbnails visible in the Layers and Channels panels. This update can affect responsiveness when you’re rapidly painting, moving, or adjusting layers. The more thumbnails are visible, the more this effect is felt.
To reduce or disable these thumbnail previews, click the Panel menu and choose Panel Options. From there, you can select a smaller thumbnail size or select None, and then click OK.
If you are using Windows, there are a few other ways to speed up thumbnail loading. Firstly, you can increase the thumbnail cache size. To do this, open the Registry Editor and go to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer. In the right panel, right-click on any blank space and select New > String Value. Name the new value "Max Cached Icons", double-click on it, and set the value data to 4096. Finally, click OK.
Another way to speed up thumbnail loading is to prevent Windows from deleting cache files. To do this, open the Registry Editor and go to the right panel. Find and double-click "Turn off the caching of thumbnails in hidden thumbs.db files". In the new window, select the "Enabled" option, click Apply, and then OK. Finally, restart your computer.
It is important to note that clearing the thumbnail cache will cause File Explorer to reload cached files every time, which can lead to slow thumbnail loading issues. Therefore, it is recommended to back up the registry or the entire system before making any changes.
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Adjust cache presets
Adjusting cache presets can significantly impact Photoshop's performance, especially when handling layers and filters. The program offers three main cache presets in the Performance preferences: Web/UI Design, Default/Photos, and Huge Pixel Dimensions. Each preset caters to different use cases and document types.
Web/UI Design
This preset is suitable for web, app, or screen design projects with numerous layers of low-to-medium pixel dimension assets. It is recommended to set the cache levels between 1 and 2 for small files with many layers. Smaller tile sizes are more responsive for brush strokes and other minor adjustments.
Default/Photos
The Default/Photos preset is intended for retouching or editing moderate-sized images, such as photos taken with a mobile phone or digital camera. Set the cache levels between 4 and 6 for high-resolution images, including RAW files from modern cameras.
Huge Pixel Dimensions
Choose this preset when working with heavy documents, such as panoramas or matte paintings. This preset is designed for projects with large pixel dimensions (50 megapixels or larger). Set the Cache Levels higher than 4 to speed up redrawing. However, higher cache levels may slow down initial loading times, so it is recommended to experiment and find the best balance for your specific needs.
To adjust the cache presets in Photoshop, go to Edit > Preferences > Performance. Here, you can select the appropriate preset and adjust the cache levels according to your requirements.
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Update graphics driver
Updating your graphics driver is an important part of regular PC maintenance. Outdated drivers can lead to compatibility issues, causing errors and malfunctions, and making your PC more vulnerable to malware and corrupt file systems.
To update your graphics driver in Windows, you can use the Windows Device Manager. Here's how:
- Press the Windows logo key and the "R" key simultaneously to open a Run Box.
- In the field, type "devmgmt.msc" and then hit Enter or click OK. Alternatively, you can click on the Windows Start icon, type in "Device Manager," and choose Device Manager from the menu.
- Once you have opened Device Manager, look for "Display adapters" in the menu and expand this to see your graphics card/s. You may have one or more depending on your PC’s configuration; look for anything that says graphics, VGA, Intel, AMD, or NVIDIA.
- Right-click or double-click on the graphics card and select "Properties."
- Navigate to the "Driver" tab and check the "Driver Version" to see when your graphics drivers were last updated and what version you’re running.
- If your drivers are older than 1-2 months, they are likely due for an update.
- Visit the website of your graphics card manufacturer (e.g., NVIDIA) and download the latest drivers for your specific graphics card model.
- Install the new drivers and restart your PC if necessary.
By keeping your graphics drivers up to date, you can enhance your hardware performance, improve software and app stability, and optimise game and 3D graphics performance.
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Close unused windows and applications
When using Photoshop, it's important to close any unused windows and applications. This is because open documents and background apps compete for system resources, which can slow down your PC's performance. Closing unused windows and applications will free up RAM and CPU, which are crucial for running Photoshop smoothly.
To close unused Photoshop windows, simply click on the "Window" menu and select the windows you want to close. You can also use keyboard shortcuts to close windows, such as Ctrl + W on Windows or Cmd + W on macOS.
In addition to closing unused Photoshop windows, it's important to shut down non-essential programs such as web browsers or media players. These programs can run in the background and consume valuable system resources. To shut down non-essential programs on Windows, open the Task Manager by pressing Ctrl + Shift + Esc. Then, select the program you want to close and click on "End Task." On macOS, open the Activity Monitor and select the program you want to close. Click on the "X" button in the upper-left corner of the window to force quit the program.
Closing unused windows and applications is an easy and effective way to improve your PC's performance when using Photoshop. It ensures that your system has enough resources to run Photoshop efficiently, resulting in faster editing and smoother operations.
Another way to improve performance is to reduce the number of history states that Photoshop saves. Each history state consumes disk space, and Photoshop can save up to 1,000 of them by default. To reduce this number, go to Edit > Preferences > Performance > History & Cache and set the number of History States to a lower value. This will free up scratch disk space and improve performance, especially during intensive tasks.
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Frequently asked questions
There are several ways to speed up your PC for PS painting. Firstly, close any unused Photoshop windows and shut down non-essential programs to free up RAM and CPU. You can also limit the number of history states Photoshop saves to save scratch disk space and improve performance. Additionally, you can adjust your cache levels and tile sizes to improve efficiency.
Installing an internal solid-state drive (SSD) can improve the overall speed of your PC. SSDs are faster, more power-efficient, and have better read/write speeds than traditional hard drives. You can also add more RAM to your system, which is especially effective for speeding up computers running Windows 10 and 11.
It is recommended to use antivirus protection and PC optimization software to keep your PC safe from malware and viruses. Windows Defender has made it easier to find malware, and third-party programs can also be effective in removing spyware or viruses.





































