Talk with your vet to come up with a personalized wellness plan for your BFF.
In the meantime, this guide should get you started.

6-9 weeks

First distemper combo vaccine
Fecal test
De-worm
Flea & tick preventative

9-12 weeks

Spay/Neuter
Microchip
Second distemper combo vaccine
First feline leukemia vaccine
Fecal test
De-worm
Continue flea & tick preventative

12-15 weeks

Third distemper combo vaccine
1-year feline leukemia vaccine
Fecal test
De-worm
Continue flea & tick preventative

16+ weeks

1-year rabies vaccine
1-year distemper combo vaccine
Fecal test
De-worm
Continue flea & tick preventative

Yearly

Feline leukemia & FIV test (if allowed outdoors)
3-year rabies vaccine
1-year distemper combo vaccine
1-year feline leukemia vaccine
Fecal test
De-worm
Continue flea & tick preventative