The good news is, Roblox does not need a powerful computer to run normally. Even a decent Windows PC should be able to load it without problems.

Steps for altering your avatar’s appearance in every Roblox experience, from adding and removing items to changing your skin ...

If Roblox Marketplace is not working or loading and you see If you are having trouble loading Marketplace message, then see this post.

This Roblox problem is not a new occurrence on the platform. Many people have faced this issue repeatedly over the last 4-5 years.