A. Open Petpooja's official website and navigate to Petpooja user login. Enter your email ID and password. Click on Sign in. Click on the Settings option on the top right and select ‘Desktop Application’. Download Adobe Air Framework first. Click on the downloaded file to start the installation. Then click on the download option for the Petpooja POS application based on your operating system (Windows, Mac, Linux). After clicking on the download, click continue and agree to install the downloaded file.