It looks as if mojang has change there plan for.7/8.1 and will keep the launcher compatible with it https://educommunity.minecraft.net/hc/en-us/articles/360047556591-System-Requirements#:~:text=Starting%20in%20December%202022%2C%20you,perform%20any%20testing%20on%20it. according to this page (**Upcoming Change: Windows 8 or Above Required for Minecraft Education
As Minecraft Education grows so must the requirements for the systems that we support. Starting in December 2022, you will need to be using Windows 8 or newer to ensure Minecraft Education works correctly on your Windows device. While We Won't Make Any Changes To Prevent Minecraft From Installing Or Running On Windows 7 Devices we will no longer address bugs or perform any testing on it. As a result, Minecraft Education may stop working on Windows 7 after that date. We recommend you keep your operating system and software up to date for the best experience while using Minecraft Education.)