: Go to the Android Studio Download page and scroll down to the "Command line tools only" section. Download the Windows package.
: After installation, navigate to your SDK folder's build-tools subfolder. You will find zipalign.exe there. Setting Up the Windows Environment Variable zipalign download windows
To run the zipalign command from any folder without typing the full path, add it to your System Environment Variables : : Go to the Android Studio Download page
If you already have Android Studio or the Android SDK installed, is likely already on your computer. Look in the following directory: zipalign download windows