Is the Intel Core i7-1255U compatible with Windows 11?

Yes. The Intel Core i7-1255U is on Microsoft’s list of supported processors, so a PC with it can run Windows 11 as long as it also has TPM 2.0 and Secure Boot turned on.

Windows 11

Supported

Microsoft’s list includes 12th Generation Core i7 processors.

Generation

12th gen

Found in

Laptops

What to do next

Run Microsoft’s PC Health Check app to confirm the rest of your PC meets the requirements.
If it reports a TPM or Secure Boot problem, they’re usually just switched off. See how to enable TPM 2.0 and Secure Boot.
Then upgrade for free through Windows Update. Back up your files first.

Frequently asked questions

Is the Intel Core i7-1255U compatible with Windows 11?

Yes. The Intel Core i7-1255U is on Microsoft’s list of supported processors, so a PC with it can run Windows 11 as long as it also has TPM 2.0 and Secure Boot turned on. Microsoft’s list includes 12th Generation Core i7 processors.

What generation is the Intel Core i7-1255U?

It’s a 12th gen processor, found in laptops.

Is the Windows 11 upgrade free with the Intel Core i7-1255U?

Yes. Windows 10 PCs that meet the Windows 11 requirements can upgrade for free through Windows Update.

Other Intel Core 12th gen processors

i5-1235U i5-12400

Check another processor

Based on Microsoft’s supported processor lists for Intel and AMD, last checked October 25, 2026. A PC also needs TPM 2.0 and Secure Boot, so confirm with Microsoft’s PC Health Check app.