Downloading .zip files of copyrighted books from file-sharing sites is risky for your device's security. It's usually much safer (and better for the author) to use official channels or free recipe archives.
If you just want the recipes from the "Everyday" series and book, many are available for free online through official BBC or culinary sites: Download Mary Berry Everyday Mary Berry zip
Instead of risking a .zip file from an unverified source—which often contains malware or broken files—you can find the official digital version (EPUB/PDF) on reputable platforms: Perfect for reading on tablets or phones. Downloading