![Mise à jour de Vista vers Windows 7 : mode d'emploi - Prérequis et démarrage de la mise à niveau - CNET France Mise à jour de Vista vers Windows 7 : mode d'emploi - Prérequis et démarrage de la mise à niveau - CNET France](https://d1fmx1rbmqrxrr.cloudfront.net/cnet/i/edit/2009/pr/11/01-maj-windows-7.jpg)
Mise à jour de Vista vers Windows 7 : mode d'emploi - Prérequis et démarrage de la mise à niveau - CNET France
![Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops](https://4sysops.com/wp-content/uploads/2008/04/4gb.png)
Why Windows Vista only sees 3GB memory in a PC with 4GB RAM and how Vista SP1 fools its users – 4sysops
![memory - Why is my computer windows Vista is running very slow despite CPU/ RAM usage at not 100%? - Super User memory - Why is my computer windows Vista is running very slow despite CPU/ RAM usage at not 100%? - Super User](https://i.stack.imgur.com/bZGiv.jpg)
memory - Why is my computer windows Vista is running very slow despite CPU/ RAM usage at not 100%? - Super User
![memory - Why is my computer windows Vista is running very slow despite CPU/ RAM usage at not 100%? - Super User memory - Why is my computer windows Vista is running very slow despite CPU/ RAM usage at not 100%? - Super User](https://i.stack.imgur.com/uO9JN.jpg)