For Android:

1. Enable Unknown Sources:
   • Go to Settings > Security.
   • Toggle on Unknown Sources to allow installations from sources other than the Google Play Store.
2. Download the APK:
   • Open your browser and go to a trusted site (like the official 3uTools website).
   • Find the download link for the Android version and download the APK file.
3. Install the APK:
   • Once the download is complete, open your file manager and locate the APK file.
   • Tap on the APK and follow the prompts to install the app.
4. Open 3uTools:
   • After installation, you can find the app in your app drawer. Open it and follow any on-screen instructions to set it up.

For PC:

1. Visit the Official Website:
   • Open a web browser and go to the official 3uTools website.
2. Download the Installer:
   • Look for the download button on the homepage and click it to download the 3uTools installer for Windows.
3. Install 3uTools:
   • Once the download is complete, locate the installer file in your downloads folder.
   • Double-click the installer and follow the on-screen instructions to complete the installation.
4. Launch 3uTools:
   • After installation, you can find 3uTools in your Start menu. Open it and connect your device to manage files, apps, and backups.

Additional Tips:

• Ensure your device is connected properly via USB for the PC version.
• Always download apps from trusted sources to avoid malware.