Oh, Apple. Got bit by this bug. Upon reinstalling Catalina, it won’t let you accept the license agreement after logging in with an Apple ID. https:// mrmacintosh.com/cant-accept-ic loud-terms-after-macos-install-agree-button-greyed-out/ The fact that you are unable to install and OS because it won’t let you accept a license agreement is, in the immortal words of the coach in Letterkenney, “F**kin’ embarrassing!”