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.
: You can download the Official Windows 11 ISO from Microsoft. Use the tool Rufus to create a bootable USB; it includes options to bypass TPM 2.0, Secure Boot, and RAM requirements , allowing it to install on unsupported hardware. Downloading a "highly compressed 500MB" version of Windows
If your computer has limited RAM (less than 4GB) or an older processor, consider these options: and RAM requirements