Renpy This Save Was Created On A Different Device Link Info
If you have developer console access (enable it in Ren'Py settings or gui.rpy ), you can bypass the lock manually. This does not "link" the devices, but removes the barrier.
If you cannot click "Yes" or want to bypass the security check entirely, you can try these methods found on community forums like Reddit and Lemma Soft Forums : : renpy this save was created on a different device link