Here I will tell u how to download Win 7/8/8.1 directly from microsoft.
1. Visit Windows 10 Download To directly reach the Console tab in your browser press Ctrl+Shift+J for Chrome or Ctrl+Shift+K for Firefox. For Internet Explorer, Edge and other browsers use F12 to open the Developer Tools panel and click on the Console tab.
2. Download the script file
win78.1_download_script.txt (Size: 1.09 KB / Downloads: 3) and open it in Notepad and copy the text, then paste it (Ctrl+V) into the console of your browser and press Enter. Firefox users who have never pasted script into the console before will receive a warning message about pasting custom code, type “allow pasting” into the console, delete it when the message disappears and continue to paste the code from the text file.
3. If you click on the Select edition drop down on the page it will now be populated with Windows 7, Windows 8.1 and also other Windows 10 download options.
4. Simply select the version you want, click Confirm, choose the language, click Confirm again and then download the required 32-bit or 64-bit version from the link.
Enjoy Official windows 7/8/8.1