diff --git a/readme.txt b/readme.txt
index c33342f..811a52f 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,5 +1,6 @@
 ------ PLEASE READ! ------
 
+
 (A) Setup:
 
 Recommended: Python 3.7 or higher
@@ -24,4 +25,14 @@ Alternatively, use ANACONDA and the environment(*.yml)-file in this repository.
 1. Please define all input parameters under input/user_input.py
 
 2. Script "DataRequest.py" needs to be run prior to generate netCDF-datafile for atmospheric data! 
-   Please ensure sufficient disk space (currently: 1,25 GB)
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+   Please ensure sufficient disk space (depending on the volume of atmospheric data up to > 100 GB!)
+
+
+
+(C) PC Specifications:
+
+The PC running BASTET should be sufficiently powerful and have enough data storage capacity.
+
+The standard code for BASTET has been tested on a PC with 64 GB RAM.
+
+For PCs with less than that (but not under 16 GB!) the Low-RAM-Version is needed.
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