Many GitHub Gists titled "Infinite Trial" or "License Key 2025" contain batch files or scripts that attempt to modify system files. These present significant risks:

Your project must meet JetBrains' "Open Source" definition (active for 3+ months, not funded by commercial companies). Application: You can apply or renew through the JetBrains Open Source Support page

Since version , JetBrains introduced mandatory JetBrains Account authentication combined with offline license files that are cryptographically signed to a specific user’s email and hardware ID. By 2025, all modern versions of ReSharper (v2023.x, 2024.x, and 2025.x) use the JetBrains Toolbox licensing system.