Are you sure you have created a username + password, and enabled and configured your wi-fi, using the Raspberry Installer, prior to flashing the SD card?
Then you can rebbot, and post the startup log in a
here, so we can have a look at it.
Then you can rebbot, and post the startup log in a
Code:
CODE block, like this one, 5th icon from right to left, in the toolbar
here, so we can have a look at it.