Official support for Windows 7 ended in January 2020. Modified versions are even more vulnerable because they cannot receive the final security patches or updates required for modern web browsing.
If hardware resources are low, consider a lightweight Linux distribution instead of a potentially dangerous "highly compressed" Windows image. Windows 7 all versions highly compressed
Look for archived versions of official Microsoft installers from reputable sites like TechBench by WZT , which fetch links directly from Microsoft servers. Official support for Windows 7 ended in January 2020
To achieve extreme compression, creators often "strip" the OS of essential drivers, system files, and features. This can lead to frequent crashes, the "BOOTMGR is compressed" error, or an inability to boot the system at all. the "BOOTMGR is compressed" error