Or, if not a new PC, a fresh OS install. 
  

• Take old PC, get it up on network with all drives shared and ready for remote desktop
• Migrate giant inbox containing 13 years of e-mail. 
• Install iTunes, move library across to new PC, taking care not to reset ratings yet again 
• Install Steam, download a bunch of games I'll rarely play 
• Remember where the "show file extentions, I'm not an idiot" toggle is. 
• Oh, I guess I'll need to migrate all my iPad apps over, too. Fun. 
• Start gargantuan task of setting up FL Studio and hell of VSTs. *****THIS IS THE WORST ONE AND IT WILL TAKE MONTHS TO DO PROPERLY
• Copy over all this video I've been collecting. 
• Reinstall WinRAR 
• Consider buying WinRAR 
• Probably don't buy WinRAR, deal with nag screens
• Vow to myself that I'll keep my desktop in check this time 
• Immediately dump my old desktop onto new desktop in folder marked "old desktop" 
• Go inside "old desktop" to find folder from previous PC marked "old desktop" 
• Go deeper 
• Find folder marked "old machine desktop"
• Find music I wrote in 2005, try to figure out where to put it 
• Leave it in its current place 
• Consider using old PC as a media server for the rest of the house 
• Give up on that pipedream and serve it all from the new PC 
• Forget like five key things that prevent me from doing what I actually need to do on a PC 
• Erase only copies of files that I'm pretty sure that I have backed up somewhere else