To start the slideshow from the current slide in PowerPoint, you can follow these steps:

1. Open your PowerPoint presentation.
2. Make sure you are on the slide from which you want to start the slideshow.
3. Press the F5 key on your keyboard. This will start the slideshow from the current slide.

Alternatively, you can also use the following steps:

1. Open your PowerPoint presentation.
2. Click on the “Slide Show” tab in the ribbon at the top.
3. In the “Start Slide Show” group, click on the “From Current Slide” button.

Both methods will initiate the slideshow from the current slide, allowing you to present your content starting from that particular point.