1. Enter Firefox browser
2. Click this icon in the upper right corner
3. Select the management extension at the bottom
4. Enter Tampermonker to search for more add-ons.
5. Click Add to Firefox
6. Click Add in the upper right corner
7. Click OK in the upper right corner
8. Click on the newly added Tampermonker extension on the Firefox homepage and select Get new scripts
9. Enter the script you want in Search User Scripts, then click Install and you’re done~
