I almost always prefer clean installation when possible, while making sure to backup important content from highly accessed folders like Desktop, Downloads and Documents (on Windows), for example.

Which Invidio.us instance would you recommend? I'm looking for one that's the most stable and relatively fast compared to other instances. Also, I believe it's also geography dependent because instances don't have CDNs?

Yes. I updated my uBlock Origin and it seems to skip through YouTube video ads for now. But I'm sure YouTube's team is hard at work trying to overcome the new workaround. This is essentially going to be a tech arms race, lol.

3.5mm headphone jack.