hi everyone,
we have a site, which we recently updated. so, there is a vast change within the site regarding links and content. i then submitted the url and verified in google. then, i found out lot of errors

age not found(404). so, i guess its because the google is trying to find the old pages. am i right? so how can i make google understand

that everything has changed and dont search for older files? or how long will it take for everything to come to normal? cos of this reason, when i search for pages in google search engine, they are not shown at all