where is the search bar on the screen? I'm trying to transfer my data from my pc to my Mac.

Hi ZZmom,

Welcome to Mac!

To search for files, apps, and other content on your Mac, use Spotlight. Click the magnifying glass in the top right corner, or press Command-Space.

Search with Spotlight on Mac - Apple Support (CA)

This could also be helpful: Mac tips for Windows switchers - Apple Support (CA)

ZZmom Said:

"where is the search bar on the screen? I'm trying to transfer my data from my pc to my Mac.: where is the apple search bar at the corner?"

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Getting Spotlight Search to Show:

[Hold Down: command key + Press: spacebar]. Then, type the name of some thing. Whatever the macOS find most relevant will apparent at the top.

Screenshot...