FFmpeg is an open source media tool that can be used to convert any video format to the format you need. The tool is command line only, so it doesn't have a graphical, clickable interface. If you're used to regular graphics Windows programs, installing FFmpeg might seem complicated at first, but don't worry, it's simple! This wikiHow guide teaches you the easiest way to install FFmpeg on your Windows PC.
Tutorial
step 1
Browser access https://www.gyan.dev/ffmpeg/builds. This page hosts the precompiled FFmpeg binaries required for Windows.
Step 2 Click the release link.
Click the release link. You'll see it in the left panel.
Step 3 Click the link to download ffmpeg-release-full.7z.
Click the link to download ffmpeg-release-full.7z. The full text link ishttps://www.gyan.dev/ffmpeg/builds/ffmpeg-release-full.7z. This link downloads the latest FFmpeg file to your PC in a compressed format. 
Step 4 Unzip the downloaded file.
Extract the downloaded file. Here's how:
-Right-click the Windows/Start button and select File Explorer.
- Click on the Downloads folder in the left panel (you may need to click on This PC to find it first).
- Right click on the file starting with "ffmpeg" and ending with ".7z".
(Windows 11 only) Click to show more options. - Unzip it here using unzip software. This will create a new folder with the same name as the .7z file.
Step 5 Rename the decompressed folder to FFmpeg.
Rename the extracted folder FFmpeg. To do this:
Right-click the folder.
If you are using Windows 10, click Rename. If you're using Windows 11, click the "A" icon followed by the cursor at the bottom of the menu.
Enter FFmpeg and press Enter.
Step 6 Click the FFmpeg folder once and press Control+X.
Click the FFmpeg folder once and press Control+X. This will "cut" the folder in the Downloads folder so that you can paste it into the root of your hard drive.
Step 7 Click This PC in File Explorer.
Click This PC in File Explorer. It is the computer icon control panel on the left.
Step 8 Click on your hard drive.
Click on your hard drive. It's usually called "Windows (C:)". or "OS(C:)", but the name and drive letter may be different.
Step 10 Right-click the blank area of the right panel and select "Paste".
Step 9 Right-click an empty area of the right panel and select Paste.
This will move the folder to the root of the hard drive.
Step 10 Open a command prompt as an administrator.
To do this, just type cmd in the Windows search bar, right-click Command Prompt, select Run as administrator, and click Yes.
Step 11 Add FFmpeg to your system path
To do this from the command line, type or paste setx /m PATH "C:\ffmpeg\bin;%PATH%" and press Enter. Once done, close the command prompt window.
You have now installed FFmpeg and set the correct environment variables. To confirm that FFmpeg is working, open a new command prompt window, type ffmpeg -version , and press Enter.
