Officially you can't without getting a licence for Win 10 and getting someone to download the Media creation tool so you can install on the laptop's drive then transferring your data over from the old drive. However if the old computer was a laptop and had a 2.5" drive try swapping it into your newer laptop and see if it activates. Remember to make backup images in future.
What is Markdown?
Markdown lets you add more formatting to your post. Simply type in your post and it will display as written.
If you wish to add bold or italic characters, add a hyperlink to another website, a heading or a horizontal line, simply use the relevent icons above the text input field.
A preview of your post will appear in the grey box below. If you make a change and you're not happy, simply press the back arrow icon to undo.