Update README*.md: Windows 10 and Other Unix-like Systems

For Windows 10, account for running scripts being disabled.

For Other Unix-like Systems, made formatting consistent with other sections.

README.dev.md

@@ -94,13 +94,19 @@ virtualenv -p python .venv
 .venv\Scripts\activate.ps1
 python -m pip install -e ".[dev]"
 ```
+
+If `activate.ps1` cannot be loaded because running scripts is disabled on the system, run `activate.bat` instead or change the PowerShell execution policy `Set-ExecutionPolicy RemoteSigned -Scope CurrentUser`.
 ### Setup on Other Unix-like Systems
 * install python 3.7 or greater
 * install pip3
 * install virtualenv
-* cd _<rp2_directory>_
-* `virtualenv -p python3 .venv`
-* `.venv/bin/pip3 install -e '.[dev]'`
+
+Then install RP2 Python package requirements:
+```
+cd <rp2_directory>
+virtualenv -p python3 .venv
+.venv/bin/pip3 install -e '.[dev]'
+```
 
 ## Source Code
 The RP2 source tree is organized as follows:

README.md

@@ -140,7 +140,11 @@ pip install rp2
 ### Installation on Other Unix-like Systems
 * install python 3.7 or greater
 * install pip3
-* `pip install rp2`
+
+Then install RP2:
+```
+pip install rp2
+```
 
 ## Running
 RP2 requires two files as input: