Python script to download and swap DLSS versions in games.
Works only on Windows.
- tqdm (progress bar during download)
- pywin32 (DLL version checks)
- prettytable (pretty printing of available DLSS versions)
install:
pip install tqdm pywin32 prettytable❯ python dlss_mng.py -lv
+----------+----------------------------------+
| Version | MD5 Hash |
+----------+----------------------------------+
| 1.0.0.0 | 65D2E2A86352D77244A73BEDD5837F50 |
| 1.0.9.0 | 667B23ED632FD0B9A5F2992ACE8C6B51 |
| 1.0.11.0 | 41878C22B109427192788DD4FCE796C1 |
| | |
| .. | .. .. .. .. |
| | |
| 3.1.11.0 | ADB36F4684E64ADA9C8D82AD365E6D19 |
| 3.1.13.0 | 22B2359CF7EC76F523FEEEC53FA81464 |
| 3.1.30.0 | 96F5CED18C119946E4A674C14D908692 |
| 3.5.0.0 | A6B5079411A58630799478EBB6BAA722 |
| 3.5.0.0 | BF68025B3603C382FCA65B148B979682 |
+----------+----------------------------------+Downloads a nvngx_dlss.dll file.
❯ python .\dlss_mng.py -d 3.1.30.0
Found 3.1.30.0 version
Downloading DLSS...
Version: 3.1.30.0
MD5 Hash: 96F5CED18C119946E4A674C14D908692
100%|███████████████████████████████████████████████████████████████████| 8854/8854 [00:26<00:00, 338.26it/s]
Unzipping... Writing DLSS 3.1.30.0 to D:\Projects\Python\DLSS-Downloader
❯ ls
╭───┬────────────────┬──────┬─────────┬────────────────╮
│ # │ name │ type │ size │ modified │
├───┼────────────────┼──────┼─────────┼────────────────┤
│ 0 │ .gitignore │ file │ 1.9 KB │ 2 years ago │
│ 1 │ .vscode │ dir │ 0 B │ a year ago │
│ 2 │ LICENSE │ file │ 35.8 KB │ 2 years ago │
│ 3 │ README.md │ file │ 2.5 KB │ 2 days ago │
│ 4 │ __pycache__ │ dir │ 4.1 KB │ 9 hours ago │
│ 5 │ dlss_mng.py │ file │ 7.5 KB │ 8 hours ago │
│ 6 │ nvngx_dlss.dll │ file │ 51.7 MB │ 37 seconds ago │
│ 7 │ utils.py │ file │ 3.9 KB │ 9 hours ago │
╰───┴────────────────┴──────┴─────────┴────────────────╯
You can pass the MD5 hash instead of version string too.
python .\dlss_mng.py -d 96F5CED18C119946E4A674C14D908692
python .\dlss_mng.py -g "S:\\SteamLibrary\\steamapps\\common\\Metro Exodus Enhanced Edition" -i
Metro Exodus Enhanced Edition has a backup DLSS 2.1.24.0
Metro Exodus Enhanced Edition uses DLSS 3.5.0.0
Downloads the latest version and swaps the existing dll within a game directory
(The game must use DLSS to begin with).
This backs up the existing dlss .dll file (saved as nvngx_dlss.dll.backup).
❯ python .\dlss_mng.py -g "S:\\SteamLibrary\\steamapps\\common\\Metro Exodus Enhanced Edition" -s 96F5CED18C119946E4A674C14D908692
Found 3.1.30.0 version
Downloading DLSS...
Version: 3.1.30.0
MD5 Hash: 96F5CED18C119946E4A674C14D908692
100%|███████████████████████████████████████████████████████████████████| 8854/8854 [00:26<00:00, 332.29it/s]
Unzipping... done.
Metro Exodus Enhanced Edition has DLSS 2.1.24.0 backed up.
Metro Exodus Enhanced Edition was using DLSS 3.5.0.0
Metro Exodus Enhanced Edition now uses DLSS 3.1.30.0
Restore original DLSS from back up (nvngx_dlss.dll.backup).
Only works if a backup was created by the script earlier.
❯ python .\dlss_mng.py -g "S:\\SteamLibrary\\steamapps\\common\\Metro Exodus Enhanced Edition" -r
Restoring... done.
Metro Exodus Enhanced Edition has DLSS 2.1.24.0 backed up.
Metro Exodus Enhanced Edition was using DLSS 3.1.30.0
Metro Exodus Enhanced Edition now uses DLSS 2.1.24.0
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