Today, using these versions is a risk. Microsoft warns that Windows 7 is vulnerable to modern security threats. However, for those maintaining legacy hardware or seeking a nostalgia trip, the May 2018 AIO remains a time capsule of when Windows felt simple and complete. What is windows 7 August 2018???? - Microsoft Q&A
Whether you needed the 32-bit (x86) version for an old netbook or the 64-bit (x64) version for a gaming rig, it was all on one bootable USB. windows-7-all-in-one-may-2018
It integrated the massive KB3125574 rollup , which contained years of fixes in one go. Today, using these versions is a risk