1. Choose a folder where Ant Video downloader will reside. This can be a folder on your desktop or in your account's home directory, for example C:\Users\\AVD, where is the name of your account.

2. Download .zip file into a temporary folder

2. Extract contents of .zip file into Ant Video downloader folder defined in step 1

3. Open Chrome menu — More tools — Extensions

4. Select checkbox Developer mode

Developer mode

5. Click on Load unpacked extension button

Developer mode

6. Select folder where you extracted contents of .zip file and click OK

Note: Do not delete Ant Video downloader folder defined in step 1, otherwise the extension will not be loaded.