Install Windows 11

Boot from USB

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Insert the Windows 11 USB flash drive. Make sure both monitors are "on". Start the PC. In this case (HP Z4 PC), press F9 once at the "HP splash screen" and wait. Specifics vary from computer to computer. Consult your hardware manual.

You get the "boot menu". Select the USB flash drive to boot from.

Time and currency format

Dutch (Belgium). Keyboard or input method: “Belgian (Period).

Install now

Notice, you also have a "repair" option here... Choose "Install now".

License agreement

Accept.

Type of installation

Select “Custom: Install Windows only (advanced)".

Installation location & partitioning

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If you were able to do a secure erase in BIOS/UEFI, there are no partitions. If not, delete all partitions manually.

Make sure "Num Lock" is activated on your keyboard. Check the LED if possible. Select "New" and create a partition of 60 GB (61440 MB) and click "apply".

Read and comprehend the message.

Windows creates additional partitions. Notice, there is some "Unallocated space" left. This is for the Linux installation later on. Select "Drive 0 Partition 3" for the Windows installation.

Installing

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Grab a coffee.

The PC reboots for the first time. UEFI/BIOS won't boot of the USB flash drive, as it finds a Windows installation on the (hard)drive.

Keyboard and network

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Personal preference here. I select "Belgium".

Personal preference here. I select "Belgian (Period)".

Select "Skip"

Windows reboots for the 2^nd time.

The presence or absence of the "Let's connect you to a network" screen during the installation of Windows 11 23H2 can depend on various factors. If you get this screen, choose "Next".