steam market and inventory didn't work

[KennySes♿]

why steam market didn't work.
when i click on inventory or steam market it doesn't work.
like some type of note pop out that says steam market is unavailable, and that pops out in like past 3 months

[.]

1. Enable Steam Guard for 15+ days.
2. Make a purchase older than 30 days.
3. Avoid recent password, email, or device changes.
4. Clear Steam browser and download cache.