Hi BlazKoritnik,
Thank you for reaching Microsoft Community.
I hope you are doing well.
We understand that you are having trouble upgrading your Surface Pro 7 device from Windows 10 to Windows 11. We really appreciate your time in bringing this concern to our attention and for trying few troubleshooting from your end. Probable causes could be software conflict especially to non-Microsoft services, corrupted update components, or faulty and missing system elements.
Below are the troubleshooting that we can do to fix this:
Method 1: Run Windows update troubleshooter
- Open Settings > Update and Security
- Click Troubleshoot > Additional troubleshooter
- Select Windows Update

Method 2: Perform clean boot
This is to temporarily disable third party services to make sure they are not blocking the installation of updates.
Method 3: Restart Windows Update components
- Open Run by pressing Windows Key + R
- Type services.msc
- Restart services (Background Intelligent Transfer Service, Cryptographic Services, and Windows update)

Method 4: Upgrade using Windows 11 Installation Assistant
Follow the on-screen instructions and wait until the installation is finish.
This process usually takes 30 mins to an hour.
Please let us know if you need further help after all the steps above.
I hope I was able to help you today.
Thank you for choosing Microsoft. Have a great day and stay safe!
Best regards,Mara May MMicrosoft Community Advocate