Open Firefox
1. Click Tools –> Options –> Fonts and Colors
2. At the bottom of links there is a check box to display links underlined
3. Check the box
4. Click OK
5. Click OK
6. Close and restart Firefox
or just move the cursor over a link
Open Firefox
1. Click Tools –> Options –> Fonts and Colors
2. At the bottom of links there is a check box to display links underlined
3. Check the box
4. Click OK
5. Click OK
6. Close and restart Firefox
or just move the cursor over a link