Asset Detail: MAD ISLAND DLC入れ方（旧バージョン）これから入れる方は概要欄に貼ってある新しいやり方で入れてね解凍不要らしい - YouTube

Retrieval Instructions

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1. Click the blue "Secure Download Link" button above.
2. If the asset opens in a new browser tab, right-click the image.
3. Select "Save Image As..." from the contextual menu.
4. Choose your destination folder and confirm the save.