here are the steps to make Google your homepage on Safari on a Mac:

1. Open the Safari browser and select the Safari menu from the top-left corner of the screen.
2. From the Safari menu, select Preferences and then click on the General tab.
3. Click in the Homepage field, delete the address that’s currently there, type “www.google.com”, and click on OK.

That's it! You should now see Google as your homepage when you open Safari on your Mac. If you want more detailed instructions with screenshots, you can check out this [source](https://macresearch.org/make-google-homepage-mac/) or this [source](https://www.greengeeks.com/tutorials/make-google-your-homepage-using-safari-on-a-mac/).