For low-end PCs, the best approach is to use a lightweight, debloated version from a trusted community project or to manually optimize the official version. Safe Alternatives for Low-End PCs
Downloading a "highly compressed 500MB" version of Windows 11 is not recommended and is likely unsafe. A standard Windows 11 installation requires at least and the official ISO file is typically around 5-6 GB . Any file claiming to be only 500MB is almost certainly missing critical system files, security features, or contains malicious software. For low-end PCs, the best approach is to
Check out these guides on how to install lightweight or unsupported versions of Windows 11 safely: For low-end PCs