Cookies and passwords are encrypted with DPAPI. Boo! This makes things difficult and annoying.
See https://sourceforge.net/p/keepass/wiki/Recover%20Windows%20User%20Account%20Credentials/ and https://old.reddit.com/r/vivaldibrowser/comments/65qrlb/importing_cookiespasswords_from_vivaldichrome/
%LocalAppData%\Google\Chrome\User Data
to the new computerHKEY_CURRENT_USER\Software\Google\Chrome\PreferenceMACs
using regeditYou can stop here but only bookmarks and some other stuff will be transferred (untested)
%AppData%\Microsoft\Protect\
to the new PC (folder called “S-1-5-21-[…]”)dpapimig.exe
in cmd/powershell and enter old password if required.Now you should be able to delete the copied SID folder and open Chrome.