Unduh Avidemux. Buka berkas video di Avidemux. Pilih Mpeg4 AVC (x264) di menu buka-bawah "Output Video". Pilih AAC FDK di menu buka-bawah "Output Audio". Pilih MP4 Mixer di menu buka-bawah "Output Format". Pilih Video Size (Two Pass) di menu buka-bawah. Masukkan ukuran target yang diinginkan untuk video hasil konversinya. Klik tombol "Save Video".

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
This is a free, open-source video editor that allows you to easily compress and convert your video files. It is available for Windows, Mac, and Linux. Use the following steps to download Avidemux:  Go to http://fixounet.free.fr/avidemux/download.html in a web browser. Click FOSSHUB next to your operating system. Click the download link for your operating system. Open the downloaded file in your web browser or Downloads folder. Follow the instructions to complete the installation. Use the followi