diff --git a/docs/pc-requirements.md b/docs/pc-requirements.md
index 4cd49f6f2..07bfa5f51 100644
--- a/docs/pc-requirements.md
+++ b/docs/pc-requirements.md
@@ -15,3 +15,4 @@
 -   The monitor must be flicker-free (no PWM) to preserve the student's attention & eye health
 -   To avoid damaging the PC ports, all cables (USB, Audio) must be connected to cheaper and easier to replace extension cables.
 -   Energy consumption is an important criterion to be taken into account
+-   It is better to buy computer without a Windows licence, as it is an unnecessary extra cost.