You don't need to install a VPN to connect to Tor Browser. In fact, you can actually decrease your anonymity by using Tor Browser with a VPN.
Want to know more? Visit our wiki: https://trac.torproject.org/projects/tor/wiki/doc/TorPlusVPN
@wa__em no, the network's capacity has grown a lot in recent years:
@hyploma to hide your Tor traffic from your ISP, you can use a bridge. Check this question: https://support.torproject.org/censorship/censorship-7/
And this visualization: https://support.torproject.org/https/https-1/
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!