Are you running it from real ms-dos?

no from dosbox 0.65

Moving to DOSBox Games/Apps. section, then...

sorry but i don't understand yout post at all 😁 "pusher"

How is it lagging?
Freezes sometimes? Lags before you move? Or just slow (low fps) ?
Here's my quick guide to making games faster. Maybe it'll help...

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Quick steps for making dosbox faster:

Make sure you're using a recent DosBox version - either 0.65 or a CVS version. See
DOSBox SVN Builds for CVS version info and download links.

Change "core=normal" to "core=dynamic" in dosbox.conf [1]
Increase cycles with Ctrl F12 (or change "cycles=" line in dosbox.conf) [2]
Change frameskip with Ctrl F7/F8 (or change "frameskip=" line) [3]

Other speed-up tips:

Use GUS (Gravis UltraSound) for audio, if supported by game (Ensure "gus=true"in dosbox.conf).
Use General Midi for music, if supported by game.

Check How to speed up DOSBox (by robertmo and mirekluza) for more tips.

[1] - Some games won't work with this setting, but it's usually much faster, allowing cycles to be set higher.
Only supported on x86 processors (eg. Pentiums).
[2] - The optimal value varies from game to game. If you set cycles too high, the sound will start breaking up or slowing down. Use Ctrl F11 to lower cycles again.
[3] - Increasing frameskip allows more cycles to be emulated. Optimal setting varies from game to game.
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thank you so much lofty i will try 😁