I can't renew avast free antivirus

Good morning,

I can’t renew avast free antivirus version. After selecting free version , program put me in paymant page.
My free licence has expired and I’ve windows XP

Thanks

Daniele

More details are required to even begin to help version and build number Avast Free and the information on XP.

Start by looking at the tail end of a very recent post of what is a very long and old topic relating to XP end of support.

See https://forum.avast.com/index.php?topic=220639.msg1613569#msg1613569