Arquivo: Futebol.manager.2021.v24.1.zip ... -

Navigate to your documents folder, typically: Documents \ Sports Interactive \ Football Manager 2021 \ editor data (If the folder doesn't exist, you can create it manually).

Use a tool like WinRAR or 7-Zip to extract the contents. Arquivo: futebol.manager.2021.v24.1.zip ...

Place the extracted .fmf files into the editor data folder. Navigate to your documents folder, typically: Documents \