How to Increase the Icon Cache Size on Windows 10

Boost your PC's performance with a quick Registry tweak

by Ivan Jenic
Ivan Jenic
Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and... read more
Reviewed by Vlad Turiceanu
Vlad Turiceanu
Vlad Turiceanu
Editor-in-Chief
Passionate about technology, Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world. Coming... read more
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  • The icon cache stores copies of your icon samples.
  • When Windows 10 uses these icon copies, rather than the original icons, it saves time and completes tasks much faster.
  • Your PC might slow down in case the icon cache storage is too big.
  • Modifying your Registry allows you to increase the icon cache size on your Windows 10 device in just a few clicks.
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Windows features many useful files meant to help your PC work faster. Among these files, there is the icon cache which keeps copies of each and every icon sample.

This will come in handy when Windows needs to create a certain type of file or improve the basic icon after an upgrade. Instead of using the original icon file, it takes a copy that was stored in the icon cache and thus, the task is completed much faster.

However, sometimes your PC may be slow, and this is because there are too many icons stored in the cache. To fix this problem, the best solution is to increase the icon cache size.

How can I increase the size of Windows 10’s icon cache?

1. Open the Run dialog by pressing the Win + R keys on the keyboard.

2. Type the command regedit in the text box and then press Enter. The Registry Editor window will open.

3. Navigate to the following key in the Registry:HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current Version\Explorer

navigate to the explorer key in regedit

4. Once you launch the Explorer section, you need to create a new String Value called Max Cached Icons, which will reveal the maximum allocated space for the icon cache.

create a new string value regedit

5. The value you need to introduce is 4096 which is the equivalent of 4 MBs. This is an improvement to the 550 KBs which are offered by the default Windows settings.

Increasing the size to more MBs might result in a slow working Windows system, so the key point is to not go overboard.

max icon cache size windows 10

6. Once you complete all these steps, you can close the Registry Editor and restart Windows for the changes to take effect.

You can increase Windows 10’s icon cache size very easily by making a small modification to your Registry. In doing so, you will be able to customize the size to your liking.

However, as per usual, you need to be careful while making any changes to your Registry, and follow the guide thoroughly to avoid causing any harm to your PC.

We hope this article helped you to increase theicon cache size on your Windows 10 device. If you come across other workarounds to increase Windows 10’s icon cache size, you can list the troubleshooting steps in the comment section below.

Likewise, write down in the comments section any thoughts or questions you have about this article.

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