Pilih halaman. Carilah kotak teks. Tambahkan teks ke halaman. Sesuaikan format teks halaman. Tambahkan foto ke halaman. Sesuaikan kembali konten halaman. Ulangi langkah ini untuk setiap halaman presentasi.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
In the left-hand column of slide previews, click the slide that you want to edit. This will open the slide in the main presentation window. If you selected a slide that has a text box, you can add text to the slide. Skip this step and the next two steps if your selected slide uses a template that doesn't have text boxes in it. Click the text box, then type as needed. Text boxes in PowerPoint will automatically format the bulk of your text for you (e.g., adding bullet points) based on the context