The importance of Vratam or Vratas is during this season.
Varalakshmi Vratham is given more importance on Fridays.
One who does not have this vratam can always recite Lalitha sahasranamam and perform Lakshmi Pooja.
Below is a full version of Lalitha Sahasranamam..!!!
Lalitha Sahasranamam in English with meaning (Info given by Raji)
Lalitha Sahasranamam Lyrics - English + Meaning