Because this is version 21H2, you miss out on several years of improvements found in newer versions like 22H2, 23H2, and 24H2. Understanding the "No TPM" Modification

The "No TPM" tag means the installer has been modified to bypass Microsoft’s mandatory hardware checks (TPM 2.0, Secure Boot, and CPU generation). Install Windows 11 Without a TPM 2.0 or on Older CPUs

The build you are referencing——is a third-party, modified "All-In-One" (AIO) installation image rather than an official Microsoft release. While these builds are popular for installing Windows 11 on older hardware, they carry significant security and stability trade-offs. Review of Build 22000.1100 (21H2)

Since it is "End of Life" (EOL), it no longer receives critical monthly security patches from Microsoft.

Unofficial AIO builds like this one are often bundled with pre-applied registry tweaks or "debloating" scripts. However, they can also contain hidden malware or trackers because they come from unverified third-party sources.

This specific version is now significantly outdated. for Home and Pro editions.