How to import or enter your W2,
https://ttlc.intuit.com/community/entering-importing/help/how-do-i-import-or-enter-my-w-2/00/26253
How to scan or take a picture of your W2
https://ttlc.intuit.com/community/entering-importing/help/how-do-i-take-a-picture-of-my-w-2-in-turbotax-online/00/26732
Yes you can type your own or TurboTax will automatically import if you have the same employer as last year. A big improvement.