README: Installation Instructions

README.md

@@ -5,6 +5,22 @@ A prototype Desktop version of LiveSplit One, using the Druid framework and the
 
 The Web Version is available at [one.livesplit.org](https://one.livesplit.org/).
 
+## Installation Instructions
+
+Download the latest release for your operating system and archictecture here:
+https://github.com/AlexKnauth/livesplit-one-druid/releases/latest
+
+When you run LiveSplit One Druid,
+it needs to have permission to read memory of other processes.
+- On Mac, that might require running it under `sudo`.
+- On Linux, give it permission with one of:
+  - setting the capabilities to include `CAP_SYS_PTRACE`, which can be done with
+    `sudo setcap CAP_SYS_PTRACE=+eip LiveSplitOne` or some variation of that
+  - setting `/proc/sys/kernel/yama/ptrace_scope` to 0, which can be done with
+    `echo "0"|sudo tee /proc/sys/kernel/yama/ptrace_scope`
+  - running it under `sudo`
+- On Windows, it should just work. Windows allows memory reading by default.
+
 ## Build Instructions
 
 In order to build LiveSplit One you need the [Rust