Verify-NVENC-patch.md

-From [@lars18th](https://github.com/keylase/nvidia-patch/issues/491)
+From [@lars18th](https://github.com/keylase/nvidia-patch/issues/491) and [@reloxx13](https://github.com/keylase/nvidia-patch/issues/544#issuecomment-1170310363)
 
-Here a simple command to check if the patching works:
+### Linux 
 ```
 ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda \
 -f lavfi -i testsrc -t 50 \
@@ -12,6 +12,19 @@ ffmpeg -y -vsync 0 -hwaccel cuda -hwaccel_output_format cuda \
 
 This only requires to have installed a recent ffmpeg version compiled with nvenc enabled. Almost all distributions have it now.
 
+### Windows
+
+ffmpeg download https://www.gyan.dev/ffmpeg/builds/ffmpeg-git-full.7z 
+```
+ffmpeg.exe -y -hwaccel cuda -hwaccel_output_format cuda ^
+-f lavfi -i testsrc -t 50 ^
+-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 4M -f null - ^
+-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 1M -f null - ^
+-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 8M -f null - ^
+-vf hwupload -fps_mode passthrough -c:a copy -c:v h264_nvenc -b:v 6M -f null -  
+```
+## Output
+
 If you get a message like:
 ```
 [h264_nvenc @ 0x55fc31535fc0] OpenEncodeSessionEx failed: out of memory (10): (no details)
@@ -25,3 +38,8 @@ But if the ffmpeg starts to work and shows:
 frame=  560 fps=329 q=8.0 Lq=8.0 q=8.0 q=8.0 size=N/A time=00:00:22.40 bitrate=N/A speed=13.2x
 ```
 Then... Congratulations! The patch works.
+
+![grafik](https://user-images.githubusercontent.com/14855001/176503179-35690ed4-b94a-410a-92e9-a3c1dc41de08.png)
+
+
+