How to make DOSBox show in Full Screen mode in Windows PC

Dosbox Full Screen mode for windows
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How can I get DOSBox to launch fullscreen on Windows 7?

[TheBluemindedGod]

You unintentionally showed me what I needed. My problem was every time I shift-tab away from DOS BOX, I couldn't get it to go fullscreen again. But seeing the options made me realize I have to hit alt-Enter. Thanks my dude!

[Gadgetakias]

thanks a lot!
i did this :

fullscreen=false
fulldouble=false
fullresolution=1366x768
windowresolution=1366x768
output=overlay

so that i can run chrome and other apps at the same time

[shamteal]

Brilliant, had almost given up after tinkering the configuration file with no success. Your fix was so easy.
While I'm here for anyone who bothers to read. If you want a C: prompt instead of the default Z: add the following to the end of your configuration (options) file on two separate lines:
mount C C:\GAMES
C:
Assuming you have created a GAMES directory on your C: Drive to store and run your applications, you can call it what you like but the names must match. You internal commands still reside on drive Z:

[noahbuzelli]

or you can just open dosbox and press ALT+ENTER lol...

[andybovington]

Best video on youtube that describes what to do in simple step by step process. Thank you ever so much for your great efforts. Brilliant!

[Spectans]

This actually worked for me, thank you so much!:) Was looking for this, cuz ALT+ENTER didnt work for me.

[FlintG]

Thank you I have dosbox already setup so it automatically loads windows 3.1 so now I can play those older windows games in full screen finally :D

[David_F]

Thank you for posting. Your solution worked perfectly. For some reason Alt+Enter wasn't working. It would go full screen and then immediately minimize. I couldn't figure it out. All the best.

[Trelane]

Thank you so much! This worked perfectly for getting old text based games to fullscreen and fully scaled so it's legible. Alt-Enter didn't work at all for a game with 80-column resolution

[imhashir]

I made my DOS box fullscreen by seeing setting from some other source. Then I wanted to revert it back but forgot the initial settings. Thanks for your video. I used your video to revert back to original settings :D

[WADCO]

The flippant comments below are obviously from those who have not experienced the latest update of Windows 10, which put Dosbox into a tiny screen in the lefthand corner of the display. Press Alt-Enter, and it went away completely. The fix in this video has ended a couple of months'
search for a way to get it back to fullscreen. My sincere thanks to the tech who created it; I can use Dosbox again.

[zaftra]

perfect solution, why anybody down thumbed it I have no idea.

[DaniBlazin]

Thanks man. Above and beyond with the overlay. Much appreciated!

[ShaioteKlata]

You are fabulous; this info is invaluable! This will make my old DOS games *SO* much more fun!! *CHEERS!*

[fishmanlovessoftware]

Thanks for posting this. A friend of mine told me to use alt-enter but that didn't work at all. Your method is a sure thing.

[grassmahn]

This fixed a problem I had where it would not stretch to full screen, I could get into full screen but it would be small surrounded by black, thanks friend (:

[neilmorebeck]

Thank you for all your help excellent video I like how you repeated. Your video is well done easy to follow.

[BanditFX]

Thank's longtime to find it, now is perfect on fullscreen for my quickbasic

[seanc]

This worked perfectly to launch Full Throttle in full screen! YEAH!

[vandertuber]

Great Video! Should I also change mapper file to mapper.txt ?