If you prefer official tools for general updates, you can use the Epson Software Updater on Windows 7. However, official Epson software typically does provide a free way to reset waste ink counters; they usually recommend professional servicing.
: You can find free versions of the Adjustment Program for L805 on various community sites, or use the WIC Reset Utility which offers a one-time free trial key to reset the counter to 80%. epson l805 resetter free download windows 7