I've try on Construct 2 and 3 but my sprites still with this blur, how do i turn them to HD?

Ask the Internet: “construct 3 pixelated reisze” gives

https://www.construct.net/en/forum/construct-classic/help-support-using-construct-38/resize-game-pixelated-video-35789​

Don't know Construct but this looks like it may work.