The safest way to get a lightweight Windows 11 experience is to create your own custom ISO using official files. Windows 11 Build 21996.1 ISO Without TPM | PDF - Scribd

: Modified ISOs can contain embedded keyloggers, clippers that steal cryptocurrency, or botnet agents that are difficult for standard antivirus to detect.

Before following any guide for custom ISOs, consider the following risks:

While it is possible to find and download custom versions of Windows, using a "Pre-Activated" or third-party modified ISO like carries significant security risks. Build 21996.1 is a leaked developer build from June 2021. Because these ISOs are not official Microsoft releases, they often bypass critical security checks like TPM 2.0 and Secure Boot. ⚠️ Security Warning

: Many "Lite" versions disable Windows Defender, Firewall, and User Account Control (UAC) to boost performance, leaving your system vulnerable.

: These builds often cannot receive official security patches from Microsoft, making them permanently susceptible to new exploits. Recommended: Create Your Own "Lite" Windows 11