Yes you can still take advantage of Microsofts original offer to upgrade your LICENSED version of Windows 7 , 8 or 8.1 to Microsoft's latest operating system Windows 10 here is how to do it.
The following is assuming you are using Internet Explorer and not Chrome. The steps for Chrome would be different as you are only allowed to download in Chrome. If you use Chrome after doing step 1 go to step 5a.
5a. NOTE: The steps for Chrome would be different as you are only allowed to Download in Chrome. So, after clicking the Download Tool Now button you would open File Explorer and go to your DOWNLOADS folder and double click on MediaCreationTool2004.exe
To make Windows 10 yours follow this link to see the various things you can do to Windows 10 desktop to personalize it => https://www.bing.com/search?q=personalizing+windows+10&cvid=b43b37e09c2b4777878cfa97156f4d57&pglt=43&FORM=ANNTA1&PC=U531