I understand you want people to switch to Linux but
90 weeks is far away. It drops in October 2025
You’ll still get security updates for a few years
After that there will be paid support which people will get around and find ways to install
Windows 10 LTSC (best version of Windows IMO) still exists. The Enterprise LTSC version will have support till 2027 and the IoT version will have support till 2032. You can get them if you know how to look around