i just downloaded high sierra to my imac. i did mot have a Pw in yosemeti now when my computer screen opens it asks for password Nd when i ssk hints is says there is no passwordwhat can i do
I downloaded high sierra to my iMac now when opening screen comes on it asks for PW which I never had in prior Yosemite. When I go hints it tells me there is no password. Nothing works What can i do?