@dodo123 good job on getting all the google links! Nice domain authority You have to let me know how you got those
Best way for changing urls, is to see where all your incoming links are coming from and what those links are pointing to. Make duplicate pages with the same URL structure (sans the new old domain name). 301 the old domains urls to the new domain. Make sure it's a 301, not 302.
If you can change some of those links to the new domain directly by reaching out to the owners of the links that would be cool too.
Back in the day you'd lose some juice this way, but your traffic would get over to you and the redirect would transfer most of the authority.
KEEP the old domain up, So when the old is spidered the crawler will know the original of the document is on the new site via the 301 redirect.
Check out this moz article it has a cool checklist.
https://moz.com/blog/seo-guide-how-to-properly-move-domains#:~:text=Task%3A Redirect all of the,sitemap for your old domain.&text=Set up the new domain and make it live.
Biggest thing is make sure that old domain stays alive for a long while so that all those links can be re-indexed at the new site.
Good Luck!