這樣做：

1）去下載一個win11（查一查，許多地方告訴你怎麽下載）；

2）In search section of window tool bar(at bottom of your windows), type cmd, right click on the "command prompt", choose to open the cmd session as administrator;

3) change dir to your win11 dir, type

   setup.exe /product server 

  type  enter key

 follow .. 

  That is it, good LUCK !