How to use Safari Mac desktop on iPhone 12 ProMax

i have iPhone 12 Pro Max with ICloud storage , I use Safari browser , I prefer it over Google Search! But whenever I’m opening the Safari app it is delayed and constantly goes to Google ! I have to sign out of Gmail & then go to Safari , it’s causing problems. I also have to sign on to safari web browser on Mac to get the layout I prefer and the right look / update iOS 18.01 for Safari , otherwise it reverts back to an old android version from Google Android. Yeah I know stinking confusing ! No I do not have android devices & im not signed in on any device either that is ! Nor am I signed in on google account under computer , or any area that would cause it ( my browser to change like that ) I have checked my iCloud files /folders , deleted old ones , including old bookmarks , saved page. Reading info which most of all those things have been set to auto delete after 1day to 1 week , but I usually automatically delete myself upon closing out the page myself and do not save anything ! What I do save I just copy paste from screen shots! I do not keep links or tap on things I do not know or need to mess with ! I’ve gone over things with a fine tooth comb and eagle eye ! Things have been updated, and I am a minimalist ‼️ I don’t use what I don’t need ! Including apps !

I do have a lot of storage for files & photos . I have to use my iPhone for ALOT of files for yearly recertification files , docs and keeping copies & sending them to the right people . That’s why I like to use Safari in desktop mode . But it’s been giving me problems , I know I can use my MS acct apps in desktop mode if I download the Windows ios App for iPhone but I don’t want to because I have a different Documents Applications set up already and if I can figure Out The Desktop Situation with IOS Mac version on my iPhone , then that’s one less app I need to use and add on !

I’m stuck using my iPhone until I can afford a new Tablet or laptop .

I’ve syncd my acct info to my iPhone , so that’s why I’m using iPhone in this way . Please suggestions?