Separate names with a comma.
In the future, you'll get faster responses by asking on the runemate discord, but what you're looking for is Worlds#setPreferred.
OSRS client updated, which means runemate no longer works properly with it. Cloud has pinpointed the issue and Runemate will be updated later...
This is a Jagex limitation, not a Runemate limitation. There is a way to get around this, see this post : Tutorial - Bypass "Unable to create...
Supporter only gives you more hours (if you pay more than 2$) you can use on free/premium bots. However, you must also purchase credits to pay for...
The 7 hours free trial is something that was implemented specifically by the author of the bot you are using, you would have to contact them....