which linux for a old toshiba tacra m3 laptop

I am new to Linux, I have a old Toshiba laptop with Windows XP on it that I use when I travel. Since XP is no longer supported and I can't put 8.1 or 10 on it, I want to put Linux to get a few more years out of it. But I don't know what flavor of Linux would work best. When I travel, I use it to...