Apkpure and most of such websites such as apk-dl and apkmirror, simply download the apps from the Play Store and then upload the APKs on their websites. So, they are safe.How do I open an APK file on my PC?
Open an APK File on Windows. You can open an APK file on a PC using either Android Studio or BlueStacks. For example, if using BlueStacks, go into the My Apps tab and then choose Install apk from the bottom right corner of the window.What is the best site to download apk files?
Website: https://apkbucket.net/ APK Bucket is amongst the best APK sites which is not just a platform to download the given apk files on the site but it is much more than that. The site is an online APK downloader which can download any app through its package ID or Google Play URL easily.