Step 1: Check system requirements.
Ensure that your system matches the minimal requirements for Windows 11 Version 23H2. You may get these on Microsoft’s website.

Press Win + R, type msinfo32, and hit Enter.
Check the following in the System Information:
Processor (compatible with Windows 11).
RAM (minimum of 4 GB).
Storage (minimum 64 GB of free disk space).
TPM 2.0 and Secure Boot are enabled.
Step 2: Check Disk Space.
Make sure there is adequate space on your system drive (C:).

Open File Explorer and right-click the C: drive.
Select Properties to view the available free space.
If your drive is low on space, try Disk Cleanup.
Press Win + R, type cleanmgr, and hit Enter.
Select the C: drive and tick the boxes for Temporary Files, Windows Update Cleanup.