Windows 11 health check tells that this PC can’t install Windows 11? Does Intel i5 9400f support Windows 11? How can you install Windows 11 on Intel i5 9400f? If you are facing these problems, please keep reading. You will find the answer in the next part.

Does Intel i5 9400f Support Windows 11?
The answer is yes. Microsoft requires 8th or higher generation of Intel processor to run Windows 11. Therefore, Intel i5 9400f is compatible with Windows 11. You can also find it in the supported list of Intel processors for Windows 11. In theory, devices with Intel i5 9400f can upgrade to Windows 11 via the windows update program. However, losts of Intel i5 9400f users feedback that they receive the message from Windows 11 health check that says their PCs can’t install Windows 11.
Why Can’t Your PC with Intel i5 9400f Upgrade to Windows 11?
Some Intel Core i5 9400f users are confused that why they can’t upgrade to Windows 11 even the Intel i5 9400f is compatible with Windows 11. You must note that Intel i5 9400f compatible with Windows 11 just meets one of the requirements for Windows 11. If Windows 10 users want to upgrade to Windows 11, their devices must meet at least 4 main requirements.
Requirement for Processor: 1 GHz or faster with two or more cores on a compatible 64-bit processor.
Requirement for RAM: 4GB of RAM.
Requirement for TPM 2.0: A TPM is a cryptographic processor that protects the computer with an integrated cryptographic key. A TPM 2.0 chip is the minimum system requirement for Windows 11.
Requirement for System firmware: UEFI, Secure Boot capable. UEFI is a tangible electronic component with embedded software instructions BIOS. To install Windows 11, the computer needs UEFI system firmware with Secure Boot.
How to Install Windows 11 on Unsupported PC?
As mentioned above, only the device meets the four requirements for Windows 11 can they upgrade to Windows 11. But it doesn’t you can’t install Windows 11 on unsupported PC. If your Intel i5 9400f device does not meet all requiremnts, there are some ways to help you bypass the requirements for Windows 11. Next, we will introduce the details of these methods.
Before you do that, you should know that the unsupported devices may have poor expereince on Windows 11, especially those old PCs. If you don’t care about that, then go ahead. There are three different ways to install Windows 11 on Intel i5 9400f based PC.
Method 1 Perform clean install on unsupported PC with Intel i5 9400f processor
Step 1 Download Windows 11 ISO and run the ISO installer.
Step 2 Download an Installation Assistant from the Microsoft. The installation assistant will guide you to complete the installation of Windows 11.
Step 3 Create an installation media on a USB drive or a DVD media by using Windows 11 Media Creation Tool. Boot the system using the media and run through the Windows 11 installation process.
Method 2 Install Windows 11 using Ventoy
Ventoy is a thrid party program to install Windows 11 on unsupported PC, which allows you bypass Windows 11 requirements.
Step 1 Download Ventoy and install it.
Step 2 Download Windows 11 ISO.
Step 3 Open Ventoy folder and copy the Windows 11 ISO file to Ventoy folder.
Step 4 Create a new folder named ventoy. Open ventoy folder and right-click on the space to create a json file.
Step 5 Copy and paste the following code to the file and save it.
“control”: [
{ “VTOY_DEFAULT_MENU_MODE”: “0”},
{“VTOY_TREE_VIEW_MENU_STYLE”: “0”},
{“VTOY_FILT_DOT_UNDERSCORE_FILE”: “1”},
{“VTOY_SORT_CASE_SENSITIVE”: “0”},
{“VTOY_MAX_SEARCH_LEVEL”: “max” },
{“VTOY_DEFAULT_SEARCH_ROOT”: “/ISO”},
{“VTOY_MENU_TIMEOUT”: “10” },
{“VTOY_DEFAULT_IMAGE”: “/ISO/debian_netinstall.iso”},
{“VTOY_FILE_FLT_EFI”: “1”},
{“VTOY_DEFAULT_KBD_LAYOUT”: “QWERTY_USA”},
{“VTOY_WIN11_BYPASS_CHECK”: “1” }
Step 6 Boot PC from that USB and then follow the instructions on the screen to complete Windows 11 installation.
Method 3 Install Windows 11 using WinPass11
WinPass11 is also a thrid party program to install Windows 11. Use WinPass11 to bypass Windows 11 requirements with a few seconds.
Step 1 Join Windows Insider Program and get the latest OS version.
Step 2 Download the WinPass11 Installer, run the WinPass11.exe file, and click Next.
Step 3 Click Next. But if you have already tried to install Windows 11 using WinPass11, click the Clean button.
Step 4 Click the Apply button (Before that, make sure you are in the Release Preview channel and reboot if necessary).
Step 5 Click Settings button to turn on Windows Update.
Step 6 Click the Check for Updates option and wait for the download.
Step 7 Now, wait for the message “This PC cannot run Windows 11”.
Step 8 Go back to the WinPass11 installer and click the Replace button to replace the AppraiserRes.dll file.
Step 9 Click the Setting button to open Windows Update, then click the Fix problems button to restart the Windows 11 installation.
Step 10 Waiting for your PC to be tested for compatibility with Windows 11.
Step 11 Click the close button (note: your computer violates the hardware limit).
Summary
Intel i5 9400f is compatible with Windows 11. But it doesn’t mean you will upgrade to Windows 11 from Windows 10. You must check if your Intel i5 9400f based device meet the other Windows 11 requirements. If not, you can’t directly upgrade Windows 11. No worries, you can follow the three methods this article provides to install Windows 11 on unsupported PC.