Please help me upgrade Windows 8.1 to Windows 11 for my laptop

Upgrading Windows 8.1 to Windows 11 on an older laptop like your Dell Latitude with an Intel Core i5-6300U and 8GB RAM can be challenging due to Windows 11's strict hardware requirements. Officially, Windows 11 requires a compatible 64-bit processor, TPM 2.0, Secure Boot, and other specific hardware features that your device may not support. However, some users have successfully installed Windows 11 on unsupported hardware using workaround methods, but these come with risks and may affect stability or updates.

1. Create a Windows 11 Installation Media:
Download the Windows 11 ISO from Microsoft's official website.
Use Microsoft Media Creation Tool to create a bootable USB installer.

2. Attempt the Upgrade or Clean Installation:
You can try upgrading Windows 8.1 to Windows11, or perform a clean install via bootable media.
During installation, if your hardware isn't officially supported, the installer might block the process. You can attempt to bypass this by modifying the registry or using scripts, but be aware this can cause instability.

3. Using Unsupported Install Methods:
Some tech enthusiasts have used reg tweaks or modded install media to bypass hardware checks, which you can find on forums like TechBench or Reddit.
Warning: These methods can cause driver issues, instability, or prevent future updates.

4. Considerations:
Running Windows 11 on unsupported hardware might lead to performance issues or inability to receive updates.
If you mainly need a secure and supported system, Windows 10 (which is supported until October 2025) might be a better choice.