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SGDBoop
A program used for applying custom artwork to Steam, using SteamGridDB. Supports both Windows and Linux, written completely in C.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Second, you need to download the tool, to do that just go to [this page](https://github.com/boppreh/steamgrid) and in the download section of the page click on the Linux version if you want this for the steam deck or the windows version if you want it for your Windows PC. Then go where you downloaded the zip, unzip it and enter inside the folder.
It also have a tool called [SGDBoop](https://www.steamgriddb.com/boop) which is a tool to individually change the art of each Steam game with a single click from within the page.