Hey, no matter what reason for playing 3.9 in 2018+ (ex a very low end pc) im here for ya! Downloads: Windows: https://drive.google.com/open?id=1wy...lN0tSFFYNpG23y | Mac: https://drive.google.com/open?id=1jn...vu76jrd1_Qp_he
Linux: https://drive.google.com/open?id=1v6...HRSsPsJVWo1cXA
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Now that getting the game is out of the way let’s talk themes and noteskins.
Themes and noteskins are pretty limited in 3.9 compared to sm5 nowadays, I still have a few tho.
Themes: I think the best theme for 3.9 (and the only one you should rly be using) is Xiaounlimited's Xi Black r2+. Download link here -> http://www.flashflashrevolution.com/...d.php?t=115458
Noteskins: There are quite a few good noteskins for 3.9. Some good one's in these websites -> http://jousway.co.uk
https://smarchive.weebly.com/ http://stepmaniathings.com/downloads/themes/sm-39.html http://izzysm.mine.nu/StepMania%20Themes/
http://cyberiastyle.skr.jp/ https://cdn.discordapp.com/attachmen...2/Noteskin.zip
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CMOD: To change CMOD in 3.9 (speed) in 3.9 is a bit more complicated than it should be. Step 1: Open Metrics.ini in the Themes folder
Step 2: Open metrics.ini and find "ScreenOptionsMaster". Then put your main CMOD that you use for 1.0 on 1x, after that on each rate down add 62 to the main CMOD and each rate going up subtract 62 cmod. 
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Settings: For The settings you want to put every setting just like I did (for the most part)
NOTE: Use this to find ur MAXDP percent: http://aaronin.jp/ddrallcalc.html
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I hope this guide helped..
Linux: https://drive.google.com/open?id=1v6...HRSsPsJVWo1cXA
_______________________________________________________________
Now that getting the game is out of the way let’s talk themes and noteskins.
Themes and noteskins are pretty limited in 3.9 compared to sm5 nowadays, I still have a few tho.
Themes: I think the best theme for 3.9 (and the only one you should rly be using) is Xiaounlimited's Xi Black r2+. Download link here -> http://www.flashflashrevolution.com/...d.php?t=115458
Noteskins: There are quite a few good noteskins for 3.9. Some good one's in these websites -> http://jousway.co.uk
https://smarchive.weebly.com/ http://stepmaniathings.com/downloads/themes/sm-39.html http://izzysm.mine.nu/StepMania%20Themes/
http://cyberiastyle.skr.jp/ https://cdn.discordapp.com/attachmen...2/Noteskin.zip
_______________________________________________________________
CMOD: To change CMOD in 3.9 (speed) in 3.9 is a bit more complicated than it should be. Step 1: Open Metrics.ini in the Themes folder
Step 2: Open metrics.ini and find "ScreenOptionsMaster". Then put your main CMOD that you use for 1.0 on 1x, after that on each rate down add 62 to the main CMOD and each rate going up subtract 62 cmod. 
_________________________________________________________________
Settings: For The settings you want to put every setting just like I did (for the most part)
NOTE: Use this to find ur MAXDP percent: http://aaronin.jp/ddrallcalc.html
_________________________________________________________________
I hope this guide helped..


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