According to your description, there are many ways for Android phones to download software. Here are several ways for your reference:

1. Use the browser in the mobile phone menu to surf the Internet and directly search for the required software to download and install. (The downloaded installation package is saved in my file download folder. )

2. Some mobile phones come with Samsung App Store, through which you can search for your favorite software to download and install. (The program downloaded through Samsung App Store will automatically delete the installation package after installation. )

3. Download the installation package in APK format with the computer, connect the data cable and transmit it to the mobile phone, and operate the mobile phone to find the installation package in the application-My file.

4. First download a market-oriented software, such as Android market and Machine Front market, and then use this software to download other programs.

5. Use the mobile assistant software to install this kind of software on the computer, turn on the USB debugging function of the mobile phone (Settings-Developer Options -USB debugging), then connect the computer, install the driver step by step according to the prompts of the mobile assistant, and finally download it after identification.

If you need help, please visit support.samsung.com.cn, and official website will provide you with multi-channel service support!