Choose Slide - Slide Properties.

Choose Slide - Slide Properties and then click the Slide tab.

Choose Slide - Slide Properties and then click the Background tab.

Choose Slide - Layout.

Choose Slide - Change Slide Master.

Choose Slide - Change Slide Master - Load.

[スライド]>[新しいスライド]を選択します。

[挿入]>[新しいスライド]を選択します。

+ M.

Choose Slide - Summary Slide

Choose Layout, then in the Layout dropdown choose Summary Slide

Choose Slide - Expand Slide

Choose Layout, then in the Layout dropdown choose Expand Slide