Fóram Tacaíochta Firefox

My Windows 10 PC stopped working a few days & is disconnected & partially disassembled. I’m temporarily using an old Windows 7 PC which I brought up from the basement the following day. They both have Firefox on them.

I saved one bookmark on the Win7 PC today. It was there when I looked earlier. Now I went to use it again & it’s not there. But my Win10 bookmarks are there!!

How could that be?

I think with the update to 125, I no longer see the typical Windows window controls in the upper right - minimize, maximize, close - so I don't know how to do those things.

THe top right looks like this Mac-based image (where those buttons are on the upper left) but I'm running on Windows so I don't have the dot buttons on top left nor the Windows style min/max/close at top right.

What do I need to do to get them back?

When I click on the link for Hyperallergic Magazine, the page doesn't load. I don't have it blocked in Notifications. I have allowed pop-up windows for it. I can't figure out what else might be preventing it from loading. It is free. I don't have this problem with any other website that I know of. I'm running the latest version of Firefox & have Windows 11 on a one-year-old PC. I didn't have this problem in my old computer, which ran Windows 7. Please help. Thanks.