WinRar Installation
1. Go to the WinRAR website and click on 'Save File' in the automated pop-up to accept the WinRar setup file download.
2. Double-click the saved file and click on 'Yes' to confirm execution.

3. Follow the step-by-step instructions of the Installation Wizard to install the WinRar archiver to your PC.
Registry Fix Installation
4. Go to the Registry Fix Installation website, and click on 'Download WindowsLicense.rar' icon on top of the page.
5. Click on 'Save File' in the pop-up window to accept the RAR file download.
6. Double-click the archived file once the download is complete, which will automatically launch WinRar and decompress the file. Decompression will result in a new folder with several files inside.
7. Double-click the folder and then the file with .reg extension, which is the registry fix. Click on 'Yes' in the pop-up window to confirm installation.
8. Restart your computer. The WGA notification should be gone, and your operating system will pass all of the future validation tests.