Screenshot added

Readme.md

@@ -1,7 +1,22 @@
-# Usage examples
+# [memtest_vulkan](https://github.com/GpuZelenograd/memtest_vulkan)
 
-Windows version can be run by double-click or from cmdline
+Opensource tool written in vulkan compute to stress test video memory for stability during overclocking or repair.
+Developed as an alternative to OpenCL-based tool [memtestCL](https://github.com/ihaque/memtestCL)
 
+Just start application, wait several minutes and stop testing by Ctrl+C. Detected errors are displayed immediately during test run.
+
+[Prebuilt binaries for windows and linux, including aarch64 NVidia Jetson](https://github.com//GpuZelenograd/memtest_vulkan/releases/)
+
+
+## Usage examples
+
+Windows version can be started by double-click
+
+![WindowsScreenshot](.github/memtest_vulkan_windows_rx580.png)
+
+The example above was stopped by Ctrl+C after showing first error.
+
+Example windows run from cmdline without errors:
 ```
 C:\Users\galkinvv\Desktop\x86_64-pc-windows-gnu>memtest_vulkan.exe
 https://github.com/GpuZelenograd/memtest_vulkan v0.3.0 by GpuZelenograd
@@ -59,7 +74,6 @@ ErrBiCnt      3m 820k    |                 |                 |
 MemBiCnt            1   2|  32 249 13645067| 15k 39k  81k142k|219k308k 398k468k
    0x1? 506k502k 448k353k|239k134k  63k 25k|79792113  310  43|   5        1    
 actual_ff: 0 actual_max: 0xFFFFFFB7 actual_min: 0x00000730 done_iter_or_err:4294967295 iter:1 calc_param 0x00100107
-idxs:660178211-926204122 first_elem: 0x21800200 0x43400400 0x87000800 0x0F001001 
 Error found. Mode INITIAL_READ, total errors 0x7E0C6E out of 0x3C000000 (0.82062860%)
 Errors address range: 0x11640B6C4..=0x1DFFFEFFF  deatils:
          0x0 0x1  0x2 0x3| 0x4 0x5  0x6 0x7| 0x8 0x9  0xA 0xB| 0xC 0xD  0xE 0xF
@@ -70,7 +84,6 @@ ErrBiCnt      6m   1m    |                 |      51    3 598|  302573   824924
 MemBiCnt                7|  43 285 15296317| 19k 50k 107k200k|326k483k 653k817k
    0x1? 949k  1m 999k886k|704k493k 297k149k| 62k 20k 57931263| 185  21    1    
 actual_ff: 0 actual_max: 0xFFFFFF46 actual_min: 0x000000B0 done_iter_or_err:4294967295 iter:2160 calc_param 0x8708AB91
-idxs:160443825-1006631935 first_elem: 0xE11572D0 0xC22AE5E1 0x8455CC43 0x08AB9987 
 Runtime error: ERROR_DEVICE_LOST while getting () in context wait_for_fences
 ```
 ...hangs in-kernel due to driver
@@ -94,6 +107,6 @@ memtest_vulkan: no any errors, testing PASSed.
   press any key to continue...
 ```
 
-# License
+## License
 
 memtest_vulkan is licensed similar to `erupt` under the [zlib License](https://github.com/GpuZelenograd/memtest_vulkan/blob/main/LICENSE)