While Microsoft no longer hosts these official ISO files directly for public download [ 0.5.29 ], they can be found through community archives:
: Used for downloading standalone update packages (like KB4508772) to manually update an existing installation [ 0.5.15 ]. Windows 7 SP1 April 2019 Free Download
: Using an unsupported OS like Windows 7 on a machine connected to the internet poses significant security threats, as Microsoft no longer provides new security patches [0.5.32]. While Microsoft no longer hosts these official ISO
: Mandatory updates (KB4474419 and KB4490628) required to continue receiving any subsequent updates. Windows 7 SP1 April 2019 Free Download
: Offers various "untouched" and "pre-updated" ISO collections, including the Windows 7 SP1 April 2019 Version [0.5.24].