To set the text direction and position in a text box in PowerPoint, you can follow these steps:

1. Open PowerPoint and navigate to the slide where you want to work with the text box.
2. Click on the “Insert” tab in the ribbon at the top of the PowerPoint window.
3. In the “Text” section of the ribbon, click on the “Text Box” button. This will insert a text box onto the slide.
4. Click inside the text box to activate it. You should see a cursor blinking inside the box.
5. To change the text direction, go to the “Format” tab in the ribbon.
6. In the “Text Direction” section of the ribbon, you will find options to change the text direction. There are options for vertical, horizontal, and stacked text.
7. Click on the desired text direction option to apply it to the text box. The text will be adjusted accordingly.
8. To change the position of the text box on the slide, click on the border of the text box to select it.
9. Once the text box is selected, you can click and drag it to a new position on the slide. Release the mouse button to drop the text box in the new position.
10. You can also use the arrow keys on your keyboard to move the selected text box in small increments.

By following these steps, you can set the text direction and position in a text box in PowerPoint according to your preferences.