To share large files from Mac to Windows or the other way around is to enable File Sharing and setup SMB server on Mac, then connect your Windows PC to Mac SMB server to copy files from one computer to the other.
Enable file sharing & SMB on Mac
Click Apple menu, choose System Preferences…, choose Sharing, click to enable File Sharing on Mac. See below screenshot.
Click Options… in the Sharing pane, click to enable ‘Share files and folders using SMB‘, then select the user account and type in its password to authenticate.
Access Mac File Share from Windows 10
To connect to the Mac File Share from a Windows 10 PC, right click the Windows menu at the bottom left corner, select Run from the pop-up menu, or simply press the Windows + R key combination on your keyboard to open the Run window.
Type the IP address of the Mac in the Run box in the format of \\192.168.1.xxx, click OK. If you don’t know the Mac IP, check out this guide to find IP address on Mac. In the authentication dialogue to pop up, enter the shared Mac users login and password and click OK. You can then access Mac public folder and user files just like you access any other folders within Windows.
Access Mac File Share from iPhone iPad
iPhone iPad users can also use their iOS device to connect to Mac file share to upload and download files in the help of a SMB client app. Check out this tutorial to connect Mac SMB file sharing from iPhone iPad.