Install from the source
Download Tor Browser only from the Tor Project website and let it update automatically.
Workplace and campus networks
Some institutional networks block Tor. A built-in bridge such as Snowflake usually helps, but follow the rules of the network you are on.
Mobile data
Tor Browser for Android works on mobile data, though pages behind the we the north market onion will load more slowly.
Know the rules
Laws differ by place and change over time. Inform yourself about the rules that apply to you.
Install Tor Browser from the source, use a bridge if a network blocks Tor and know the local rules.