1. Disable your antivirus before installing 4K Video Downloader. To do this, open Windows Security from the Start menu.

2. Click Manage settings.

3. Disable all of the protection features.

4. Disable your internet connection.

5. Right-click on the ZIP file and select Extract To. 123 is the password.

6. Open the extracted folder and double-click on the MSI file to run the installer.

7. Click Next.

8. Accept the term and then click Next.

9. Click Next again to install the software in the default location.

10. Hit the Install button. Press Yes if UAC pops up.

11. Wait until the 4K Video Downloader’s installation is completed.

12. Press the Finish button (do not launch it yet).

13. Extract the RAR file.

14. Double-click the EXE file.

15. Click the drop-down list, then find and select 4K Video Downloader.

16. Click the Activate button.

17. Click OK to close the window.

18. 4K Video Downloader is now activated.