Now lets configure it by clicking the configure

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Now let's configure it by clicking the Configure button. Here's where we turn System Protection off or on for a particular drive. Notice we're working on just the C: Drive right now. That's what we have selected over here, so I'm going to leave it turned on. Down here, I have to specify how much disk space I want to reserve for restore points. As it notes right here, as restore points are taken it's going to fill up the reserved amount of space. Now this is a virtual machine that I've created in VMware, and it only has a 40 gig virtual hard disk drive, so I actually haven't reserved very much space, only about two gigs for restore points, about 5% of the available disk space. When that two gigs is full of restore points, then the oldest restore points will be deleted in order to make room for new restore points to be saved. Now 5%, two gigs, really isn't very much. That won't let me keep very many restore points, so I'm going to bump this up to about 7%. That takes us to about 2.7 gigabytes of reserved space for restore points. Just kind of a balancing act, the more space you reserve for restore points, the further back in time you can take your system, and boy let me tell you, sometimes that can be a very advantageous thing. The disadvantage is you use up a lot of disk space for restore points that you may never need, so you have to kind of decide where the balance is for you and your organization. Just go ahead and click OK, so at this point System Protection is configured and enabled for the C: Drive. Now whenever a major change happens to the system, such as installing a new update from the Windows Update site. The Windows operating system is going to automatically create a restore point, such that if something goes wrong in that update process, we can jump the system back to the state it was in the point in time right before we installed that update. Create a Restore Point Manually 4:30-7:23 Now you're not just limited to these automatic restore points. You can manually create your own restore point. For example, maybe you're going to install new hardware on the system and you want to take this snapshot of the system state before you do so in case something goes wrong with the drivers, or the hardware, or whatever. You can bump the system back. That can be a very advantageous thing. If you have a bad driver, you know you can always go into Device Manager, and uninstall the driver.Sometimes that doesn't work very well though, with a particularly buggy driver. In those situations it's a lot easier just to jump the system back to the restore point that was created before the driver was loaded. Same holds true with applications. If you're going to install an application on the system it's a really good idea to create a manual restore point before you do, because that way if something goes wrong with the application install and it's just trashed your system, you can just jump the system right back to the state it was in
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