If your old computer is 64 bit you can easily use Windows Easy Transfer to move your Windows data to your new Windows 10 computer with an external hard drive. Copy the C:WindowsSystem32Migwiz folder from the old Windows 7 computer on to the drive.
Will Windows Easy Transfer work with Windows 10?
However, Microsoft has partnered with Laplink to bring you PCmover Express—a tool for transferring selected files, folders, and more from your old Windows PC to your new Windows 10 PC.
Can I share files between Windows 7 and Windows 10?
From Windows 7 to Windows 10:
Open drive or partition in Windows 7 Explorer, right-click on the folder or files that you want to share and select “Share with” > Choose “Specific people…”. … Choose “Everyone” in the drop-down menu on File Sharing, click “Add” to confirm.