\Users\[Your Username]\AppData\Roaming\Apple Computer\MobileSync\Backup\
To find your iPhone backup on a PC, here’s the default location depending on your Windows version:
\Users\[Your Username]\AppData\Roaming\Apple Computer\MobileSync\Backup\
To find your iPhone backup on a PC, here’s the default location depending on your Windows version: where to find iphone backup on pc