diff --git a/mod.json b/mod.json
index bc3c2d2..f7243a2 100644
--- a/mod.json
+++ b/mod.json
@@ -53,10 +53,10 @@
         },
         "history-length": {
             "name": "History length",
-            "description": "The length of rewind history stored, in capture frame count.",
+            "description": "The length of rewind history stored, in capture frame count. This will be attempted to be automatically populated on windows machines with Nvidia or AMD graphics cards by the amount of video memory available.",
             "type": "int",
             "min": 20,
-            "max": 400,
+            "max": 500,
             "default": {
                 "android": 140,
                 "ios": 140,
diff --git a/src/hooks/MenuLayer.cpp b/src/hooks/MenuLayer.cpp
new file mode 100644
index 0000000..8d74689
--- /dev/null
+++ b/src/hooks/MenuLayer.cpp
@@ -0,0 +1,50 @@
+#ifdef GEODE_IS_WINDOWS
+#include "MenuLayer.hpp"
+#include <Geode/cocos/platform/third_party/win32/OGLES/GL/glew.h>
+
+// populate defaults by getting amount of system vram
+bool HookedMenuLayer::init() {
+    if (!MenuLayer::init()) return false;
+
+    auto mod = geode::Mod::get();
+
+    bool hasSetRecommended = mod->getSavedValue<bool>("has-set-recommended", false);
+    if (hasSetRecommended) return true;
+    mod->setSavedValue<bool>("has-set-recommended", true);
+
+    // https://stackoverflow.com/a/5695427
+    // no intel support very sad
+    int values[4] = {};
+    glGetIntegerv(GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX, values); // nvidia
+    glGetIntegerv(GL_TEXTURE_FREE_MEMORY_ATI, values); // amd (ati)
+
+    if (values[0] == 0) {
+        geode::log::info("No data returned from vram checks :( ({}, {}, {}, {})", values[0], values[1], values[2], values[3]);
+        return true;
+    }
+
+    int kb = values[0];
+    int frames = (kb / 42000) + 80; // https://www.desmos.com/calculator/m2hlel1fjj
+
+    geode::log::info("Video memory checks returned {}kb (approx), mapped to {} frames", kb, frames);
+
+    frames = std::max(20, std::min(frames, 500));
+
+    mod->setSettingValue<int64_t>("history-length", frames);
+
+    auto pop = FLAlertLayer::create(
+        "Rewind",
+        fmt::format(
+            "Rewind has automagically detected <cy>{}GB</c> of video memory free, and "
+            "has set the <cj>max history length</c> to <cy>{}</c>, which can be customised in "
+            "the <co>mod settings</c>.",
+            kb / 1000000, frames
+        ).c_str(),
+        "ok"
+    );
+    pop->m_scene = this;
+    pop->show();
+
+    return true;
+}
+#endif
diff --git a/src/hooks/MenuLayer.hpp b/src/hooks/MenuLayer.hpp
new file mode 100644
index 0000000..1d42099
--- /dev/null
+++ b/src/hooks/MenuLayer.hpp
@@ -0,0 +1,9 @@
+#pragma once
+#ifdef GEODE_IS_WINDOWS
+#include <Geode/modify/MenuLayer.hpp>
+
+class $modify(HookedMenuLayer, MenuLayer) {
+    bool init();
+};
+
+#endif
diff --git a/src/settings.cpp b/src/settings.cpp
index b654965..c5d65fa 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -18,4 +18,4 @@
             fields->m_resolutionMultiplier = geode::Mod::get()->getSettingValue<double>("resolution-multiplier");
         }
     });
-};
+}