To mimic the Windows way, go to system preferences > keyboard > input sources and use the plus button to activate the layout called "US International PC". Then select it in the "flag" menu at the top right of the screen. This layout produces é when you type ' and then e, ü when you type " and then u, ò when you type ` and then o, â when you type ^ and then a, ñ when you type ~ and then n.
| character | key sequence |
|---|---|
| apostrophe ' | |
| ç | ' c |
| é | ' e |
| ú | ' u |
| í | ' i |
| ó | ' o |
| á | ' a |
| quotation mark " | |
| ë | " e |
| ÿ | " y |
| ü | " u |
| ï | " i |
| ö | " o |
| ä | " a |
| accent grave ` | |
| è | ` e |
| ù | ` u |
| ì | ` i |
| ò | ` o |
| à | ` a |
| tilde ~ | |
| õ | ~ o |
| ñ | ~ n |
| ã | ~ a |
| caret ^ | |
| ê | ^ e |
| û | ^ u |
| î | ^ i |
| ô | ^ o |
| â | ^ a |
