ClustalW is a classical and popular multiple sequence alignment program, while ProbCons is a great program according to the latest benchmark. MUSCLE is another good and fast alignment algorithm. Jalview can display alignments in a graphic interface and have lots of other functions, like phylogenetic tree

Either you can load the Fasta formatted sequences from a local disk file

Or you can paste the FASTA formatted sequences below (be sure that each sequence has a unique id in the FASTA defline)