Установка .NET Framework 3.5 в Windows 10 - Microsoft Learn
Windows Update service is stuck or pending reboot. Fix: Restart Windows Modules Installer service via services.msc , then reboot before retrying DISM. Net Framework 3.5 Offline Installer Windows 10 64 Bit
Copy and paste the following command into your command prompt, making sure to replace with the drive letter you noted in Step 1: Установка