Download the file from the torrent or Autodesk website.
Disconnect the internet. Turn off UAC(User Account Control). Turn off Windows Defender so that X-Force could be downloaded/extracted and could be run/patched.
Extract the file.
Click on Install
Accept the license agreement.
Select the features you want to install
Once installed, click on Launch Now
Click on “enter a serial number”
Click on activate
Enter serial key 666 69696969 and Product key 128L1, click on next
Next is to cancel online activation, for it click on the back button, and click yes on the notification.
Again activation screen will appear
Open x-force Autodesk product activation tool, click on patch button, pop will appear that patch is successful.
Now click on the activate button, again put serial number and product key, and click next
Copy the request code for installation, put it into the x-force request field, and click on generate. It will generate an activation code.
From installation select radio button, that “I have an activation code from Autodesk”. Copy activation code generated on x-force, into the action code field. Click on the next button.
And you are done.