diff --git a/src/main.rs b/src/main.rs
index d94899d..92cf60a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use std::{env, fs, io, io::Read, path::Path};
+use std::{env, fs, io::{self, stdin, Read, Write}, path::Path};
 fn main() {
     let mut rblxpath = String::new();
     if let Some(lad) = env::var("LOCALAPPDATA").ok() {
@@ -18,6 +18,24 @@ fn main() {
         println!("Roblox not found (Die)");
         return;
     }
+    println!("What FPS would you like to cap the fps to? (0 for no cap at all)");
+    let _ = io::stdout().flush();
+    let mut input = String::new();
+    stdin().read_line(&mut input).expect("invalid input, try again");
+    if let Some('\n')=input.chars().next_back() {
+        input.pop();
+    }
+    if let Some('\r')=input.chars().next_back() {
+        input.pop();
+    }
+    let fps = input.parse::<i32>().unwrap();
+    let desired_fps = match fps {
+    	0 => 5588562,
+     	_ => fps
+    };
+    println!("fps cap will be set to {desired_fps}");
+    let just_make_this_work = format!("{{\"FFlagHandleAltEnterFullscreenManually\":\"False\",\"DFIntTaskSchedulerTargetFps\":{desired_fps},\"FFlagEnableInGameMenuChromeABTest3\":\"False\",\"FFlagGameBasicSettingsFramerateCap5\":\"False\",\"FFlagTaskSchedulerLimitTargetFpsTo2402\":\"False\"}}");
+    let fflag_contents = just_make_this_work.as_str();
     let versions = format!("{}\\Versions\\", rblxpath);
     for folder in fs::read_dir(versions).unwrap() {
         let cur_folder = folder.unwrap().path().display().to_string();
@@ -32,12 +50,8 @@ fn main() {
                     println!("ClientSettings folder already exists in {}", cur_folder);
                 }
                 let cas_json = format!("{}\\ClientAppSettings.json", cs_folder);
-                if !Path::new(&cas_json).is_file() {
-                    fs::write(cas_json, "{\"FFlagHandleAltEnterFullscreenManually\":\"False\",\"DFIntTaskSchedulerTargetFps\":5588562,\"FFlagEnableInGameMenuChromeABTest3\":\"False\",\"FFlagGameBasicSettingsFramerateCap5\":\"False\",\"FFlagTaskSchedulerLimitTargetFpsTo2402\":\"False\"}").ok();
-                    println!("Wrote ClientAppSettings.json to {}", cur_folder)
-                } else {
-                    println!("ClientAppSettings.json already exists in {}", cur_folder)
-                }
+                fs::write(cas_json, fflag_contents).ok();
+                println!("Wrote ClientAppSettings.json to {}", cur_folder)
             }
         }
     }